1022166657 has 12 divisors (see below), whose sum is σ = 1477048144. Its totient is φ = 681174360.

The previous prime is 1022166653. The next prime is 1022166703. The reversal of 1022166657 is 7566612201.

It is a happy number.

It is not a de Polignac number, because 1022166657 - 2² = 1022166653 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022166653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2982 + ... + 45312.

Almost surely, 2^1022166657 is an apocalyptic number.

It is an amenable number.

1022166657 is a deficient number, since it is larger than the sum of its proper divisors (454881487).

1022166657 is a wasteful number, since it uses less digits than its factorization.

1022166657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45020 (or 45017 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 1022166657 is about 31971.3411823777. The cubic root of 1022166657 is about 1007.3349525932.

Adding to 1022166657 its reverse (7566612201), we get a palindrome (8588778858).

The spelling of 1022166657 in words is "one billion, twenty-two million, one hundred sixty-six thousand, six hundred fifty-seven".