222388901 has 24 divisors (see below), whose sum is σ = 277512480. Its totient is φ = 177139872.

The previous prime is 222388897. The next prime is 222388919. The reversal of 222388901 is 109883222.

It is not a de Polignac number, because 222388901 - 2² = 222388897 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222388921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47090 + ... + 51596.

It is an arithmetic number, because the mean of its divisors is an integer number (11563020).

Almost surely, 2^222388901 is an apocalyptic number.

It is an amenable number.

222388901 is a deficient number, since it is larger than the sum of its proper divisors (55123579).

222388901 is a wasteful number, since it uses less digits than its factorization.

222388901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4593 (or 4586 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 222388901 is about 14912.7093782451. The cubic root of 222388901 is about 605.8582641507.

The spelling of 222388901 in words is "two hundred twenty-two million, three hundred eighty-eight thousand, nine hundred one".