22774901880 has 128 divisors (see below), whose sum is σ = 68936961600. Its totient is φ = 6019141632.

The previous prime is 22774901879. The next prime is 22774901923. The reversal of 22774901880 is 8810947722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6401062 + ... + 6404618.

Almost surely, 2^22774901880 is an apocalyptic number.

22774901880 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 22774901880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34468480800).

22774901880 is an abundant number, since it is smaller than the sum of its proper divisors (46162059720).

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

22774901880 is a wasteful number, since it uses less digits than its factorization.

22774901880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4033 (or 4029 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 48.

The spelling of 22774901880 in words is "twenty-two billion, seven hundred seventy-four million, nine hundred one thousand, eight hundred eighty".