1056622319 has 4 divisors (see below), whose sum is σ = 1112234040. Its totient is φ = 1001010600.

The previous prime is 1056622313. The next prime is 1056622373. The reversal of 1056622319 is 9132266501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9132266501 = 139 ⋅65699759.

It is a cyclic number.

It is not a de Polignac number, because 1056622319 - 2¹² = 1056618223 is a prime.

It is a super-2 number, since 2×1056622319² = 2232901450017875522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056622313) 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, 27805832 + ... + 27805869.

It is an arithmetic number, because the mean of its divisors is an integer number (278058510).

Almost surely, 2^1056622319 is an apocalyptic number.

1056622319 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1056622319 is a deficient number, since it is larger than the sum of its proper divisors (55611721).

1056622319 is an equidigital number, since it uses as much as digits as its factorization.

1056622319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55611720.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 1056622319 is about 32505.7274799381. The cubic root of 1056622319 is about 1018.5286741953.

The spelling of 1056622319 in words is "one billion, fifty-six million, six hundred twenty-two thousand, three hundred nineteen".