22269915 has 48 divisors (see below), whose sum is σ = 41884128. Its totient is φ = 10902528.

The previous prime is 22269913. The next prime is 22269937. The reversal of 22269915 is 51996222.

It is a happy number.

It is not a de Polignac number, because 22269915 - 2¹ = 22269913 is a prime.

It is a super-2 number, since 2×22269915² = 991898228214450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22269915.

It is not an unprimeable number, because it can be changed into a prime (22269913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32557 + ... + 33233.

It is an arithmetic number, because the mean of its divisors is an integer number (872586).

Almost surely, 2^22269915 is an apocalyptic number.

22269915 is a deficient number, since it is larger than the sum of its proper divisors (19614213).

22269915 is a wasteful number, since it uses less digits than its factorization.

22269915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748 (or 745 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 22269915 is about 4719.1010796549. The cubic root of 22269915 is about 281.3452062865.

The spelling of 22269915 in words is "twenty-two million, two hundred sixty-nine thousand, nine hundred fifteen".