22120715231 has 8 divisors (see below), whose sum is σ = 23459063904. Its totient is φ = 20786492160.

The previous prime is 22120715209. The next prime is 22120715251. The reversal of 22120715231 is 13251702122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22120715231 - 2²² = 22116520927 is a prime.

It is a super-2 number, since 2×22120715231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22120715231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120715251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1020350 + ... + 1041803.

It is an arithmetic number, because the mean of its divisors is an integer number (2932382988).

Almost surely, 2^22120715231 is an apocalyptic number.

22120715231 is a deficient number, since it is larger than the sum of its proper divisors (1338348673).

22120715231 is a wasteful number, since it uses less digits than its factorization.

22120715231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062801.

The product of its (nonzero) digits is 1680, while the sum is 26.

The spelling of 22120715231 in words is "twenty-two billion, one hundred twenty million, seven hundred fifteen thousand, two hundred thirty-one".