22378740560 has 80 divisors (see below), whose sum is σ = 59228530560. Its totient is φ = 7783902720.

The previous prime is 22378740541. The next prime is 22378740649. The reversal of 22378740560 is 6504787322.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×22378740560² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 532595 + ... + 573074.

It is an arithmetic number, because the mean of its divisors is an integer number (740356632).

Almost surely, 2^22378740560 is an apocalyptic number.

22378740560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22378740560 is an abundant number, since it is smaller than the sum of its proper divisors (36849790000).

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

22378740560 is a wasteful number, since it uses less digits than its factorization.

22378740560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105716 (or 1105710 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 22378740560 in words is "twenty-two billion, three hundred seventy-eight million, seven hundred forty thousand, five hundred sixty".