22472099 has 6 divisors (see below), whose sum is σ = 24333876. Its totient is φ = 20743320.

The previous prime is 22472089. The next prime is 22472111. The reversal of 22472099 is 99027422.

22472099 = 740² + 741² + ... + 778².

It is a happy number.

It is not a de Polignac number, because 22472099 - 2⁴ = 22472083 is a prime.

It is a Duffinian 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 5 ways as a sum of consecutive naturals, for example, 66317 + ... + 66654.

It is an arithmetic number, because the mean of its divisors is an integer number (4055646).

Almost surely, 2^22472099 is an apocalyptic number.

22472099 is a deficient number, since it is larger than the sum of its proper divisors (1861777).

22472099 is a wasteful number, since it uses less digits than its factorization.

22472099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132997 (or 132984 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 22472099 is about 4740.4745543036. The cubic root of 22472099 is about 282.1940677464.

The spelling of 22472099 in words is "twenty-two million, four hundred seventy-two thousand, ninety-nine".