222891628940 has 24 divisors (see below), whose sum is σ = 468525583680. Its totient is φ = 89070334848.

The previous prime is 222891628871. The next prime is 222891628943. The reversal of 222891628940 is 49826198222.

It is not an unprimeable number, because it can be changed into a prime (222891628943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5373620 + ... + 5414939.

It is an arithmetic number, because the mean of its divisors is an integer number (19521899320).

Almost surely, 2^222891628940 is an apocalyptic number.

222891628940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222891628940 is an abundant number, since it is smaller than the sum of its proper divisors (245633954740).

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

222891628940 is a wasteful number, since it uses less digits than its factorization.

222891628940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10789601 (or 10789599 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 53.

The spelling of 222891628940 in words is "two hundred twenty-two billion, eight hundred ninety-one million, six hundred twenty-eight thousand, nine hundred forty".