1022552816 has 10 divisors (see below), whose sum is σ = 1981196112. Its totient is φ = 511276400.

The previous prime is 1022552813. The next prime is 1022552827. The reversal of 1022552816 is 6182552201.

It is a super-2 number, since 2×1022552816² = 2091228523019059712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022552813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31954760 + ... + 31954791.

Almost surely, 2^1022552816 is an apocalyptic number.

1022552816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1022552816 is a deficient number, since it is larger than the sum of its proper divisors (958643296).

1022552816 is an equidigital number, since it uses as much as digits as its factorization.

1022552816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63909559 (or 63909553 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 1022552816 is about 31977.3797550706. The cubic root of 1022552816 is about 1007.4617885583.

The spelling of 1022552816 in words is "one billion, twenty-two million, five hundred fifty-two thousand, eight hundred sixteen".