1022527997 has 16 divisors (see below), whose sum is σ = 1142208000. Its totient is φ = 910864944.

The previous prime is 1022527991. The next prime is 1022527999. The reversal of 1022527997 is 7997252201.

It is a cyclic number.

It is not a de Polignac number, because 1022527997 - 2⁴ = 1022527981 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 (1022527991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5954 + ... + 45612.

It is an arithmetic number, because the mean of its divisors is an integer number (71388000).

Almost surely, 2^1022527997 is an apocalyptic number.

It is an amenable number.

1022527997 is a deficient number, since it is larger than the sum of its proper divisors (119680003).

1022527997 is a wasteful number, since it uses less digits than its factorization.

1022527997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39760.

The product of its (nonzero) digits is 158760, while the sum is 44.

The square root of 1022527997 is about 31976.9916815200. The cubic root of 1022527997 is about 1007.4536375869.

The spelling of 1022527997 in words is "one billion, twenty-two million, five hundred twenty-seven thousand, nine hundred ninety-seven".