225715779269 has 16 divisors (see below), whose sum is σ = 232864632000. Its totient is φ = 218649728640.

The previous prime is 225715779241. The next prime is 225715779271. The reversal of 225715779269 is 962977517522.

It is a cyclic number.

It is not a de Polignac number, because 225715779269 - 2⁸ = 225715779013 is a prime.

It is a super-2 number, since 2×225715779269² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225715779769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4002422 + ... + 4058424.

It is an arithmetic number, because the mean of its divisors is an integer number (14554039500).

Almost surely, 2^225715779269 is an apocalyptic number.

It is an amenable number.

225715779269 is a deficient number, since it is larger than the sum of its proper divisors (7148852731).

225715779269 is a wasteful number, since it uses less digits than its factorization.

225715779269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56740.

The product of its digits is 33339600, while the sum is 62.

The spelling of 225715779269 in words is "two hundred twenty-five billion, seven hundred fifteen million, seven hundred seventy-nine thousand, two hundred sixty-nine".