22761388806 has 24 divisors (see below), whose sum is σ = 49293897480. Its totient is φ = 7003503936.

The previous prime is 22761388799. The next prime is 22761388813. The reversal of 22761388806 is 60888316722.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22761388799) and next prime (22761388813).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11222551 + ... + 11224578.

It is an arithmetic number, because the mean of its divisors is an integer number (2053912395).

Almost surely, 2^22761388806 is an apocalyptic number.

22761388806 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22761388806 is an abundant number, since it is smaller than the sum of its proper divisors (26532508674).

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

22761388806 is a wasteful number, since it uses less digits than its factorization.

22761388806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22447160 (or 22447147 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 51.

The spelling of 22761388806 in words is "twenty-two billion, seven hundred sixty-one million, three hundred eighty-eight thousand, eight hundred six".