22094749280 has 24 divisors (see below), whose sum is σ = 52198845552. Its totient is φ = 8837899648.

The previous prime is 22094749253. The next prime is 22094749283. The reversal of 22094749280 is 8294749022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22094749283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69045932 + ... + 69046251.

It is an arithmetic number, because the mean of its divisors is an integer number (2174951898).

Almost surely, 2^22094749280 is an apocalyptic number.

22094749280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22094749280 is an abundant number, since it is smaller than the sum of its proper divisors (30104096272).

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

22094749280 is a wasteful number, since it uses less digits than its factorization.

22094749280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138092198 (or 138092190 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 22094749280 in words is "twenty-two billion, ninety-four million, seven hundred forty-nine thousand, two hundred eighty".