420929622 has 40 divisors (see below), whose sum is σ = 998682696. Its totient is φ = 132055488.

The previous prime is 420929611. The next prime is 420929627. The reversal of 420929622 is 226929024.

It is a happy number.

420929622 is a `hidden beast` number, since 4 + 2 + 0 + 9 + 29 + 622 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420929627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 73668 + ... + 79175.

Almost surely, 2^420929622 is an apocalyptic number.

420929622 is an abundant number, since it is smaller than the sum of its proper divisors (577753074).

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

420929622 is a wasteful number, since it uses less digits than its factorization.

420929622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152874 (or 152865 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 420929622 is about 20516.5694500811. The cubic root of 420929622 is about 749.4393570103.

The spelling of 420929622 in words is "four hundred twenty million, nine hundred twenty-nine thousand, six hundred twenty-two".