2056622351 has 4 divisors (see below), whose sum is σ = 2350425552. Its totient is φ = 1762819152.

The previous prime is 2056622341. The next prime is 2056622363. The reversal of 2056622351 is 1532266502.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2056622351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056622341) 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, 146901590 + ... + 146901603.

It is an arithmetic number, because the mean of its divisors is an integer number (587606388).

Almost surely, 2^2056622351 is an apocalyptic number.

2056622351 is a deficient number, since it is larger than the sum of its proper divisors (293803201).

2056622351 is an equidigital number, since it uses as much as digits as its factorization.

2056622351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293803200.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 2056622351 is about 45349.9983572216. The cubic root of 2056622351 is about 1271.7005246008.

Adding to 2056622351 its reverse (1532266502), we get a palindrome (3588888853).

The spelling of 2056622351 in words is "two billion, fifty-six million, six hundred twenty-two thousand, three hundred fifty-one".