22479413 has 16 divisors (see below), whose sum is σ = 26265600. Its totient is φ = 19021680.

The previous prime is 22479409. The next prime is 22479427. The reversal of 22479413 is 31497422.

It is a cyclic number.

It is not a de Polignac number, because 22479413 - 2² = 22479409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22479413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22479403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11420 + ... + 13242.

It is an arithmetic number, because the mean of its divisors is an integer number (1641600).

Almost surely, 2^22479413 is an apocalyptic number.

It is an amenable number.

22479413 is a deficient number, since it is larger than the sum of its proper divisors (3786187).

22479413 is a wasteful number, since it uses less digits than its factorization.

22479413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1912.

The product of its digits is 12096, while the sum is 32.

The square root of 22479413 is about 4741.2459332964. The cubic root of 22479413 is about 282.2246796848.

Subtracting 22479413 from its reverse (31497422), we obtain a square (9018009 = 3003²).

The spelling of 22479413 in words is "twenty-two million, four hundred seventy-nine thousand, four hundred thirteen".