22440650520 has 32 divisors (see below), whose sum is σ = 67321951920. Its totient is φ = 5984173440.

The previous prime is 22440650513. The next prime is 22440650527. The reversal of 22440650520 is 2505604422.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22440650513) and next prime (22440650527).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22440650527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93502591 + ... + 93502830.

Almost surely, 2^22440650520 is an apocalyptic number.

22440650520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22440650520 is an abundant number, since it is smaller than the sum of its proper divisors (44881301400).

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

22440650520 is a wasteful number, since it uses less digits than its factorization.

22440650520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187005435 (or 187005431 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 22440650520 in words is "twenty-two billion, four hundred forty million, six hundred fifty thousand, five hundred twenty".