629422884 has 36 divisors (see below), whose sum is σ = 1642368000. Its totient is φ = 203039280.

The previous prime is 629422879. The next prime is 629422889. The reversal of 629422884 is 488224926.

It is an interprime number because it is at equal distance from previous prime (629422879) and next prime (629422889).

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (629422889) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280884 + ... + 283115.

Almost surely, 2^629422884 is an apocalyptic number.

It is an amenable number.

629422884 is an abundant number, since it is smaller than the sum of its proper divisors (1012945116).

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

629422884 is a wasteful number, since it uses less digits than its factorization.

629422884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564040 (or 564035 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 629422884 is about 25088.3017360681. The cubic root of 629422884 is about 857.0000413008. Note that the first 4 decimals are identical.

The spelling of 629422884 in words is "six hundred twenty-nine million, four hundred twenty-two thousand, eight hundred eighty-four".