22942146940 has 12 divisors (see below), whose sum is σ = 48178508616. Its totient is φ = 9176858768.

The previous prime is 22942146911. The next prime is 22942146949. The reversal of 22942146940 is 4964124922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22942146949) 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, 573553654 + ... + 573553693.

It is an arithmetic number, because the mean of its divisors is an integer number (4014875718).

Almost surely, 2^22942146940 is an apocalyptic number.

22942146940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22942146940 is an abundant number, since it is smaller than the sum of its proper divisors (25236361676).

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

22942146940 is a wasteful number, since it uses less digits than its factorization.

22942146940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147107356 (or 1147107354 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 22942146940 in words is "twenty-two billion, nine hundred forty-two million, one hundred forty-six thousand, nine hundred forty".