22447532 has 12 divisors (see below), whose sum is σ = 39322080. Its totient is φ = 11212656.

The previous prime is 22447519. The next prime is 22447543. The reversal of 22447532 is 23574422.

It is a super-3 number, since 3×22447532³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22447495 and 22447504.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3194 + ... + 7422.

It is an arithmetic number, because the mean of its divisors is an integer number (3276840).

Almost surely, 2^22447532 is an apocalyptic number.

It is an amenable number.

22447532 is a deficient number, since it is larger than the sum of its proper divisors (16874548).

22447532 is a wasteful number, since it uses less digits than its factorization.

22447532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5560 (or 5558 counting only the distinct ones).

The product of its digits is 13440, while the sum is 29.

The square root of 22447532 is about 4737.8826494543. The cubic root of 22447532 is about 282.0911966333.

It can be divided in two parts, 2244753 and 2, that multiplied together give a triangular number (4489506 = T₂₉₉₆).

The spelling of 22447532 in words is "twenty-two million, four hundred forty-seven thousand, five hundred thirty-two".