122224779 has 12 divisors (see below), whose sum is σ = 177221616. Its totient is φ = 81171792.

The previous prime is 122224757. The next prime is 122224793. The reversal of 122224779 is 977422221.

It is not a de Polignac number, because 122224779 - 2¹⁷ = 122093707 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (122224799) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23452 + ... + 28185.

It is an arithmetic number, because the mean of its divisors is an integer number (14768468).

Almost surely, 2^122224779 is an apocalyptic number.

122224779 is a deficient number, since it is larger than the sum of its proper divisors (54996837).

122224779 is a wasteful number, since it uses less digits than its factorization.

122224779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51906 (or 51903 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 122224779 is about 11055.5316018724. The cubic root of 122224779 is about 496.2719781226.

The spelling of 122224779 in words is "one hundred twenty-two million, two hundred twenty-four thousand, seven hundred seventy-nine".