102220994 has 16 divisors (see below), whose sum is σ = 158795640. Its totient is φ = 49320960.

The previous prime is 102220967. The next prime is 102220997. The reversal of 102220994 is 499022201.

It can be written as a sum of positive squares in 4 ways, for example, as 41770369 + 60450625 = 6463^2 + 7775^2 .

It is a super-2 number, since 2×102220994² = 20898263228696072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102220997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1439 + ... + 14370.

Almost surely, 2^102220994 is an apocalyptic number.

102220994 is a deficient number, since it is larger than the sum of its proper divisors (56574646).

102220994 is a wasteful number, since it uses less digits than its factorization.

102220994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15925.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 102220994 is about 10110.4398519550. The cubic root of 102220994 is about 467.5700662330.

The spelling of 102220994 in words is "one hundred two million, two hundred twenty thousand, nine hundred ninety-four".