63222726 has 32 divisors (see below), whose sum is σ = 149495040. Its totient is φ = 17440416.

The previous prime is 63222721. The next prime is 63222727. The reversal of 63222726 is 62722236.

It is a super-2 number, since 2×63222726² = 7994226165742152, which contains 22 as substring.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 63222693 and 63222702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63222721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24736 + ... + 27171.

It is an arithmetic number, because the mean of its divisors is an integer number (4671720).

Almost surely, 2^63222726 is an apocalyptic number.

63222726 is an abundant number, since it is smaller than the sum of its proper divisors (86272314).

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

63222726 is a wasteful number, since it uses less digits than its factorization.

63222726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51948.

The product of its digits is 12096, while the sum is 30.

The square root of 63222726 is about 7951.2719737159. The cubic root of 63222726 is about 398.3740790743.

The spelling of 63222726 in words is "sixty-three million, two hundred twenty-two thousand, seven hundred twenty-six".