222342354 has 128 divisors (see below), whose sum is σ = 582543360. Its totient is φ = 62208000.

The previous prime is 222342349. The next prime is 222342359. The reversal of 222342354 is 453243222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (222342349) and next prime (222342359).

It is a super-2 number, since 2×222342354² = 98872244764522632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (222342359) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 369654 + ... + 370254.

It is an arithmetic number, because the mean of its divisors is an integer number (4551120).

Almost surely, 2^222342354 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222342354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291271680).

222342354 is an abundant number, since it is smaller than the sum of its proper divisors (360201006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222342354 is a wasteful number, since it uses less digits than its factorization.

222342354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673 (or 667 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 222342354 is about 14911.1486479077. The cubic root of 222342354 is about 605.8159915789.

Adding to 222342354 its reverse (453243222), we get a palindrome (675585576).

The spelling of 222342354 in words is "two hundred twenty-two million, three hundred forty-two thousand, three hundred fifty-four".