63222865 has 8 divisors (see below), whose sum is σ = 75917160. Its totient is φ = 50545152.

The previous prime is 63222853. The next prime is 63222877. The reversal of 63222865 is 56822236.

It is an interprime number because it is at equal distance from previous prime (63222853) and next prime (63222877).

It can be written as a sum of positive squares in 4 ways, for example, as 10471696 + 52751169 = 3236^2 + 7263^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 63222865 - 2¹⁵ = 63190097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63222865.

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, 6951 + ... + 13219.

It is an arithmetic number, because the mean of its divisors is an integer number (9489645).

Almost surely, 2^63222865 is an apocalyptic number.

It is an amenable number.

63222865 is a deficient number, since it is larger than the sum of its proper divisors (12694295).

63222865 is a wasteful number, since it uses less digits than its factorization.

63222865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8291.

The product of its digits is 34560, while the sum is 34.

The square root of 63222865 is about 7951.2807144510. The cubic root of 63222865 is about 398.3743710261.

The spelling of 63222865 in words is "sixty-three million, two hundred twenty-two thousand, eight hundred sixty-five".