22309995453925 has 24 divisors (see below), whose sum is σ = 28117350454752. Its totient is φ = 17556526680000.

The previous prime is 22309995453923. The next prime is 22309995453929. The reversal of 22309995453925 is 52935459990322.

It is not a de Polignac number, because 22309995453925 - 2¹ = 22309995453923 is a prime.

It is a super-3 number, since 3×22309995453925³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (67).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22309995453923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8326111 + ... + 10674460.

It is an arithmetic number, because the mean of its divisors is an integer number (1171556268948).

Almost surely, 2^{22309995453925} is an apocalyptic number.

22309995453925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22309995453925 is a deficient number, since it is larger than the sum of its proper divisors (5807355000827).

22309995453925 is a wasteful number, since it uses less digits than its factorization.

22309995453925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19001349 (or 19001344 counting only the distinct ones).

The product of its (nonzero) digits is 236196000, while the sum is 67.

The spelling of 22309995453925 in words is "twenty-two trillion, three hundred nine billion, nine hundred ninety-five million, four hundred fifty-three thousand, nine hundred twenty-five".