222122889940 has 48 divisors (see below), whose sum is σ = 533154585600. Its totient is φ = 76147898112.

The previous prime is 222122889917. The next prime is 222122889941. The reversal of 222122889940 is 49988221222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222122889941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1237416 + ... + 1405504.

It is an arithmetic number, because the mean of its divisors is an integer number (11107387200).

Almost surely, 2^222122889940 is an apocalyptic number.

222122889940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222122889940 is an abundant number, since it is smaller than the sum of its proper divisors (311031695660).

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

222122889940 is a wasteful number, since it uses less digits than its factorization.

222122889940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177544 (or 177542 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 49.

The spelling of 222122889940 in words is "two hundred twenty-two billion, one hundred twenty-two million, eight hundred eighty-nine thousand, nine hundred forty".