420622236 has 18 divisors (see below), whose sum is σ = 1063239632. Its totient is φ = 140207400.

The previous prime is 420622231. The next prime is 420622249. The reversal of 420622236 is 632226024.

420622236 is a `hidden beast` number, since 4 + 2 + 0 + 622 + 2 + 36 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420622231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5841940 + ... + 5842011.

Almost surely, 2^420622236 is an apocalyptic number.

It is an amenable number.

420622236 is an abundant number, since it is smaller than the sum of its proper divisors (642617396).

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

420622236 is a wasteful number, since it uses less digits than its factorization.

420622236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11683961 (or 11683956 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 420622236 is about 20509.0769173066. The cubic root of 420622236 is about 749.2568852839.

The spelling of 420622236 in words is "four hundred twenty million, six hundred twenty-two thousand, two hundred thirty-six".