22142862 has 32 divisors (see below), whose sum is σ = 56236800. Its totient is φ = 6326424.

The previous prime is 22142849. The next prime is 22142867. The reversal of 22142862 is 26824122.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22142867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28912 + ... + 29667.

It is an arithmetic number, because the mean of its divisors is an integer number (1757400).

Almost surely, 2^22142862 is an apocalyptic number.

22142862 is an abundant number, since it is smaller than the sum of its proper divisors (34093938).

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

22142862 is a wasteful number, since it uses less digits than its factorization.

22142862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58597 (or 58591 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 22142862 is about 4705.6202566718. The cubic root of 22142862 is about 280.8091475579.

Adding to 22142862 its reverse (26824122), we get a palindrome (48966984).

It can be divided in two parts, 22 and 142862, that added together give a square (142884 = 378²).

The spelling of 22142862 in words is "twenty-two million, one hundred forty-two thousand, eight hundred sixty-two".