1422115040 has 96 divisors (see below), whose sum is σ = 3564570240. Its totient is φ = 534643200.

The previous prime is 1422115039. The next prime is 1422115061. The reversal of 1422115040 is 405112241.

It is a happy number.

It is a super-2 number, since 2×1422115040² = 4044822373988403200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 396455 + ... + 400025.

It is an arithmetic number, because the mean of its divisors is an integer number (37130940).

Almost surely, 2^1422115040 is an apocalyptic number.

1422115040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1422115040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1782285120).

1422115040 is an abundant number, since it is smaller than the sum of its proper divisors (2142455200).

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

1422115040 is a wasteful number, since it uses less digits than its factorization.

1422115040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3736 (or 3728 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1422115040 is about 37710.9405875802. The cubic root of 1422115040 is about 1124.5486360507.

Adding to 1422115040 its reverse (405112241), we get a palindrome (1827227281).

The spelling of 1422115040 in words is "one billion, four hundred twenty-two million, one hundred fifteen thousand, forty".