22378435680 has 96 divisors (see below), whose sum is σ = 71686944000. Its totient is φ = 5866429952.

The previous prime is 22378435669. The next prime is 22378435687. The reversal of 22378435680 is 8653487322.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22378435687) 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, 366780 + ... + 423419.

It is an arithmetic number, because the mean of its divisors is an integer number (746739000).

Almost surely, 2^22378435680 is an apocalyptic number.

22378435680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22378435680 is an abundant number, since it is smaller than the sum of its proper divisors (49308508320).

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

22378435680 is a wasteful number, since it uses less digits than its factorization.

22378435680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790276 (or 790268 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 22378435680 in words is "twenty-two billion, three hundred seventy-eight million, four hundred thirty-five thousand, six hundred eighty".