1056422401 has 8 divisors (see below), whose sum is σ = 1116355680. Its totient is φ = 996922368.

The previous prime is 1056422399. The next prime is 1056422417. The reversal of 1056422401 is 1042246501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1056422401 - 2¹ = 1056422399 is a prime.

It is a super-2 number, since 2×1056422401² = 2232056578669209602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1056422491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103291 + ... + 113056.

It is an arithmetic number, because the mean of its divisors is an integer number (139544460).

Almost surely, 2^1056422401 is an apocalyptic number.

It is an amenable number.

1056422401 is a deficient number, since it is larger than the sum of its proper divisors (59933279).

1056422401 is a wasteful number, since it uses less digits than its factorization.

1056422401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216623.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1056422401 is about 32502.6522148578. The cubic root of 1056422401 is about 1018.4644333102.

Adding to 1056422401 its reverse (1042246501), we get a palindrome (2098668902).

The spelling of 1056422401 in words is "one billion, fifty-six million, four hundred twenty-two thousand, four hundred one".