63226988 has 24 divisors (see below), whose sum is σ = 122690064. Its totient is φ = 28267200.

The previous prime is 63226987. The next prime is 63227009. The reversal of 63226988 is 88962236.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (63226987) 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, 9095 + ... + 14462.

It is an arithmetic number, because the mean of its divisors is an integer number (5112086).

Almost surely, 2^63226988 is an apocalyptic number.

It is an amenable number.

63226988 is a deficient number, since it is larger than the sum of its proper divisors (59463076).

63226988 is a wasteful number, since it uses less digits than its factorization.

63226988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23633 (or 23631 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The square root of 63226988 is about 7951.5399766335. The cubic root of 63226988 is about 398.3830306665.

The spelling of 63226988 in words is "sixty-three million, two hundred twenty-six thousand, nine hundred eighty-eight".