22479254515609 has 32 divisors (see below), whose sum is σ = 25038346420224. Its totient is φ = 20110963055040.

The previous prime is 22479254515607. The next prime is 22479254515657. The reversal of 22479254515609 is 90651545297422.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22479254515609 - 2¹ = 22479254515607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22479254515607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1907409 + ... + 6971134.

It is an arithmetic number, because the mean of its divisors is an integer number (782448325632).

Almost surely, 2^{22479254515609} is an apocalyptic number.

It is an amenable number.

22479254515609 is a deficient number, since it is larger than the sum of its proper divisors (2559091904615).

22479254515609 is a wasteful number, since it uses less digits than its factorization.

22479254515609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8878717.

The product of its (nonzero) digits is 54432000, while the sum is 61.

The spelling of 22479254515609 in words is "twenty-two trillion, four hundred seventy-nine billion, two hundred fifty-four million, five hundred fifteen thousand, six hundred nine".