22261405012 has 36 divisors (see below), whose sum is σ = 49437670464. Its totient is φ = 8673273840.

The previous prime is 22261405007. The next prime is 22261405039. The reversal of 22261405012 is 21050416222.

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, 5160508 + ... + 5164819.

It is an arithmetic number, because the mean of its divisors is an integer number (1373268624).

Almost surely, 2^22261405012 is an apocalyptic number.

22261405012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22261405012 is an abundant number, since it is smaller than the sum of its proper divisors (27176265452).

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

22261405012 is a wasteful number, since it uses less digits than its factorization.

22261405012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10325356 (or 10325347 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The spelling of 22261405012 in words is "twenty-two billion, two hundred sixty-one million, four hundred five thousand, twelve".