22490265648 has 80 divisors (see below), whose sum is σ = 61894788480. Its totient is φ = 7016596992.

The previous prime is 22490265631. The next prime is 22490265649. The reversal of 22490265648 is 84656209422.

It is a super-3 number, since 3×22490265648³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 22490265597 and 22490265606.

It is not an unprimeable number, because it can be changed into a prime (22490265649) 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, 72861 + ... + 224252.

It is an arithmetic number, because the mean of its divisors is an integer number (773684856).

Almost surely, 2^22490265648 is an apocalyptic number.

It is an amenable number.

22490265648 is an abundant number, since it is smaller than the sum of its proper divisors (39404522832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22490265648 is a wasteful number, since it uses less digits than its factorization.

22490265648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297226 (or 297220 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 22490265648 in words is "twenty-two billion, four hundred ninety million, two hundred sixty-five thousand, six hundred forty-eight".