222981357 has 8 divisors (see below), whose sum is σ = 306899200. Its totient is φ = 143858880.

The previous prime is 222981349. The next prime is 222981361. The reversal of 222981357 is 753189222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 222981357 - 2³ = 222981349 is a prime.

It is a super-2 number, since 2×222981357² = 99441371139122898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222981307) 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, 1198732 + ... + 1198917.

It is an arithmetic number, because the mean of its divisors is an integer number (38362400).

Almost surely, 2^222981357 is an apocalyptic number.

It is an amenable number.

222981357 is a deficient number, since it is larger than the sum of its proper divisors (83917843).

222981357 is a wasteful number, since it uses less digits than its factorization.

222981357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397683.

The product of its digits is 60480, while the sum is 39.

The square root of 222981357 is about 14932.5602962118. The cubic root of 222981357 is about 606.3958000979.

The spelling of 222981357 in words is "two hundred twenty-two million, nine hundred eighty-one thousand, three hundred fifty-seven".