1422011256 has 16 divisors (see below), whose sum is σ = 3555028200. Its totient is φ = 474003744.

The previous prime is 1422011251. The next prime is 1422011299. The reversal of 1422011256 is 6521102241.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 59250469 = 1422011256 / (1 + 4 + 2 + 2 + 0 + 1 + 1 + 2 + 5 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422011251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29625211 + ... + 29625258.

Almost surely, 2^1422011256 is an apocalyptic number.

It is an amenable number.

1422011256 is an abundant number, since it is smaller than the sum of its proper divisors (2133016944).

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

1422011256 is a wasteful number, since it uses less digits than its factorization.

1422011256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59250478 (or 59250474 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1422011256 is about 37709.5645161808. The cubic root of 1422011256 is about 1124.5212793809.

Adding to 1422011256 its reverse (6521102241), we get a palindrome (7943113497).

The spelling of 1422011256 in words is "one billion, four hundred twenty-two million, eleven thousand, two hundred fifty-six".