1057622263 has 4 divisors (see below), whose sum is σ = 1059185160. Its totient is φ = 1056059368.

The previous prime is 1057622239. The next prime is 1057622273. The reversal of 1057622263 is 3622267501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3622267501 = 40037 ⋅90473.

It is a cyclic number.

It is not a de Polignac number, because 1057622263 - 2¹³ = 1057614071 is a prime.

It is a super-2 number, since 2×1057622263² = 2237129702386482338, 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 (1057622233) 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, 780433 + ... + 781786.

It is an arithmetic number, because the mean of its divisors is an integer number (264796290).

Almost surely, 2^1057622263 is an apocalyptic number.

1057622263 is a deficient number, since it is larger than the sum of its proper divisors (1562897).

1057622263 is an equidigital number, since it uses as much as digits as its factorization.

1057622263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562896.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 1057622263 is about 32521.1048859045. The cubic root of 1057622263 is about 1018.8498708068.

Adding to 1057622263 its reverse (3622267501), we get a palindrome (4679889764).

The spelling of 1057622263 in words is "one billion, fifty-seven million, six hundred twenty-two thousand, two hundred sixty-three".