22477459140 has 72 divisors (see below), whose sum is σ = 68271636888. Its totient is φ = 5986076160.

The previous prime is 22477459139. The next prime is 22477459141. The reversal of 22477459140 is 4195477422.

It is an interprime number because it is at equal distance from previous prime (22477459139) and next prime (22477459141).

It can be written as a sum of positive squares in 4 ways, for example, as 63776196 + 22413682944 = 7986^2 + 149712^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (22477459141) 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, 54934 + ... + 219026.

It is an arithmetic number, because the mean of its divisors is an integer number (948217179).

Almost surely, 2^22477459140 is an apocalyptic number.

22477459140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22477459140 is an abundant number, since it is smaller than the sum of its proper divisors (45794177748).

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

22477459140 is a wasteful number, since it uses less digits than its factorization.

22477459140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164869 (or 164864 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 22477459140 in words is "twenty-two billion, four hundred seventy-seven million, four hundred fifty-nine thousand, one hundred forty".