63222715 has 8 divisors (see below), whose sum is σ = 75913488. Its totient is φ = 50547360.

The previous prime is 63222707. The next prime is 63222721. The reversal of 63222715 is 51722236.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63222715 - 2³ = 63222707 is a prime.

It is a super-2 number, since 2×63222715² = 7994223383942450, which contains 22 as substring.

It is a Duffinian number.

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, 9189 + ... + 14521.

It is an arithmetic number, because the mean of its divisors is an integer number (9489186).

Almost surely, 2^63222715 is an apocalyptic number.

63222715 is a deficient number, since it is larger than the sum of its proper divisors (12690773).

63222715 is a wasteful number, since it uses less digits than its factorization.

63222715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7709.

The product of its digits is 5040, while the sum is 28.

The square root of 63222715 is about 7951.2712820026. The cubic root of 63222715 is about 398.3740559702.

It can be divided in two parts, 63 and 222715, that added together give a triangular number (222778 = T₆₆₇).

The spelling of 63222715 in words is "sixty-three million, two hundred twenty-two thousand, seven hundred fifteen".