22274007280 has 80 divisors (see below), whose sum is σ = 59227084224. Its totient is φ = 7631400960.

The previous prime is 22274007271. The next prime is 22274007299. The reversal of 22274007280 is 8270047222.

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

It is a super-2 number, since 2×22274007280² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 822760 + ... + 849400.

Almost surely, 2^22274007280 is an apocalyptic number.

22274007280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22274007280 is an abundant number, since it is smaller than the sum of its proper divisors (36953076944).

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

22274007280 is a wasteful number, since it uses less digits than its factorization.

22274007280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28154 (or 28148 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 34.

The spelling of 22274007280 in words is "twenty-two billion, two hundred seventy-four million, seven thousand, two hundred eighty".