189929622 has 16 divisors (see below), whose sum is σ = 392113152. Its totient is φ = 61267560.

The previous prime is 189929617. The next prime is 189929629. The reversal of 189929622 is 226929981.

It is a happy number.

It is a super-2 number, since 2×189929622² = 72146522626125768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189929629) 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, 510378 + ... + 510749.

It is an arithmetic number, because the mean of its divisors is an integer number (24507072).

Almost surely, 2^189929622 is an apocalyptic number.

189929622 is an abundant number, since it is smaller than the sum of its proper divisors (202183530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189929622 is a wasteful number, since it uses less digits than its factorization.

189929622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021163.

The product of its digits is 279936, while the sum is 48.

The square root of 189929622 is about 13781.4956372667. The cubic root of 189929622 is about 574.8187173955.

The spelling of 189929622 in words is "one hundred eighty-nine million, nine hundred twenty-nine thousand, six hundred twenty-two".