22857965480 has 64 divisors (see below), whose sum is σ = 58883552640. Its totient is φ = 7822893312.

The previous prime is 22857965479. The next prime is 22857965489. The reversal of 22857965480 is 8456975822.

It is a happy number.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is not an unprimeable number, because it can be changed into a prime (22857965489) 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, 82679 + ... + 229241.

It is an arithmetic number, because the mean of its divisors is an integer number (920055510).

Almost surely, 2^22857965480 is an apocalyptic number.

22857965480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22857965480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29441776320).

22857965480 is an abundant number, since it is smaller than the sum of its proper divisors (36025587160).

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

22857965480 is a wasteful number, since it uses less digits than its factorization.

22857965480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147138 (or 147134 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 56.

The spelling of 22857965480 in words is "twenty-two billion, eight hundred fifty-seven million, nine hundred sixty-five thousand, four hundred eighty".