22472436 has 48 divisors (see below), whose sum is σ = 63455616. Its totient is φ = 6042624.

The previous prime is 22472407. The next prime is 22472479. The reversal of 22472436 is 63427422.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6441 + ... + 9296.

It is an arithmetic number, because the mean of its divisors is an integer number (1321992).

Almost surely, 2^22472436 is an apocalyptic number.

It is an amenable number.

22472436 is an abundant number, since it is smaller than the sum of its proper divisors (40983180).

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

22472436 is a wasteful number, since it uses less digits than its factorization.

22472436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15768 (or 15766 counting only the distinct ones).

The product of its digits is 16128, while the sum is 30.

The square root of 22472436 is about 4740.5100991349. The cubic root of 22472436 is about 282.1954783686.

Adding to 22472436 its reverse (63427422), we get a palindrome (85899858).

The spelling of 22472436 in words is "twenty-two million, four hundred seventy-two thousand, four hundred thirty-six".