1022695538 has 6 divisors (see below), whose sum is σ = 1534111149. Its totient is φ = 511325156.

The previous prime is 1022695523. The next prime is 1022695543. The reversal of 1022695538 is 8355962201.

It can be written as a sum of positive squares in 2 ways, for example, as 1018439569 + 4255969 = 31913^2 + 2063^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=22613.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022695495 and 1022695504.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 33920 + ... + 56532.

Almost surely, 2^1022695538 is an apocalyptic number.

1022695538 is a deficient number, since it is larger than the sum of its proper divisors (511415611).

1022695538 is an frugal number, since it uses more digits than its factorization.

1022695538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45228 (or 22615 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 1022695538 is about 31979.6112859428. The cubic root of 1022695538 is about 1007.5086582717.

The spelling of 1022695538 in words is "one billion, twenty-two million, six hundred ninety-five thousand, five hundred thirty-eight".