630222546 has 16 divisors (see below), whose sum is σ = 1261126944. Its totient is φ = 209960544.

The previous prime is 630222539. The next prime is 630222553. The reversal of 630222546 is 645222036.

It is an interprime number because it is at equal distance from previous prime (630222539) and next prime (630222553).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15976 + ... + 38931.

It is an arithmetic number, because the mean of its divisors is an integer number (78820434).

Almost surely, 2^630222546 is an apocalyptic number.

630222546 is an abundant number, since it is smaller than the sum of its proper divisors (630904398).

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

630222546 is a wasteful number, since it uses less digits than its factorization.

630222546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56825.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 630222546 is about 25104.2336270200. The cubic root of 630222546 is about 857.3628182548.

The spelling of 630222546 in words is "six hundred thirty million, two hundred twenty-two thousand, five hundred forty-six".