22472032 has 24 divisors (see below), whose sum is σ = 48264552. Its totient is φ = 10214400.

The previous prime is 22471963. The next prime is 22472039. The reversal of 22472032 is 23027422.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 22471994 and 22472012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22472039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31569 + ... + 32272.

It is an arithmetic number, because the mean of its divisors is an integer number (2011023).

Almost surely, 2^22472032 is an apocalyptic number.

22472032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22472032 is an abundant number, since it is smaller than the sum of its proper divisors (25792520).

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

22472032 is a wasteful number, since it uses less digits than its factorization.

22472032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63862 (or 63854 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 22472032 is about 4740.4674874953. The cubic root of 22472032 is about 282.1937872946.

Adding to 22472032 its reverse (23027422), we get a palindrome (45499454).

The spelling of 22472032 in words is "twenty-two million, four hundred seventy-two thousand, thirty-two".