22237464340 has 96 divisors (see below), whose sum is σ = 60500401920. Its totient is φ = 6667370496.

The previous prime is 22237464307. The next prime is 22237464341. The reversal of 22237464340 is 4346473222.

It is a self number, because there is not a number n which added to its sum of digits gives 22237464340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22237464341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 286957 + ... + 356116.

It is an arithmetic number, because the mean of its divisors is an integer number (630212520).

Almost surely, 2^22237464340 is an apocalyptic number.

22237464340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22237464340 is an abundant number, since it is smaller than the sum of its proper divisors (38262937580).

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

22237464340 is a wasteful number, since it uses less digits than its factorization.

22237464340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643121 (or 643119 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 37.

The spelling of 22237464340 in words is "twenty-two billion, two hundred thirty-seven million, four hundred sixty-four thousand, three hundred forty".