63226464 has 72 divisors (see below), whose sum is σ = 193080888. Its totient is φ = 18063360.

The previous prime is 63226441. The next prime is 63226487. The reversal of 63226464 is 46462236.

It is an interprime number because it is at equal distance from previous prime (63226441) and next prime (63226487).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2017 + ... + 11424.

It is an arithmetic number, because the mean of its divisors is an integer number (2681679).

Almost surely, 2^63226464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63226464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96540444).

63226464 is an abundant number, since it is smaller than the sum of its proper divisors (129854424).

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

63226464 is a wasteful number, since it uses less digits than its factorization.

63226464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13468 (or 13453 counting only the distinct ones).

The product of its digits is 41472, while the sum is 33.

The square root of 63226464 is about 7951.5070269729. The cubic root of 63226464 is about 398.3819301170.

The spelling of 63226464 in words is "sixty-three million, two hundred twenty-six thousand, four hundred sixty-four".