22120152309 has 48 divisors (see below), whose sum is σ = 32897614464. Its totient is φ = 14317776000.

The previous prime is 22120152287. The next prime is 22120152359. The reversal of 22120152309 is 90325102122.

It is a happy number.

22120152309 is a `hidden beast` number, since 221 + 201 + 5 + 230 + 9 = 666.

It is not a de Polignac number, because 22120152309 - 2⁸ = 22120152053 is a prime.

It is a super-2 number, since 2×22120152309² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120152359) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16016799 + ... + 16018179.

It is an arithmetic number, because the mean of its divisors is an integer number (685366968).

Almost surely, 2^22120152309 is an apocalyptic number.

It is an amenable number.

22120152309 is a deficient number, since it is larger than the sum of its proper divisors (10777462155).

22120152309 is a wasteful number, since it uses less digits than its factorization.

22120152309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818 (or 1815 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The spelling of 22120152309 in words is "twenty-two billion, one hundred twenty million, one hundred fifty-two thousand, three hundred nine".