222827638 has 16 divisors (see below), whose sum is σ = 367857936. Its totient is φ = 100387840.

The previous prime is 222827629. The next prime is 222827639. The reversal of 222827638 is 836728222.

It is a self number, because there is not a number n which added to its sum of digits gives 222827638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222827639) 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, 42331 + ... + 47302.

It is an arithmetic number, because the mean of its divisors is an integer number (22991121).

Almost surely, 2^222827638 is an apocalyptic number.

222827638 is a deficient number, since it is larger than the sum of its proper divisors (145030298).

222827638 is a wasteful number, since it uses less digits than its factorization.

222827638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89759.

The product of its digits is 129024, while the sum is 40.

The square root of 222827638 is about 14927.4123008645. The cubic root of 222827638 is about 606.2564222510.

The spelling of 222827638 in words is "two hundred twenty-two million, eight hundred twenty-seven thousand, six hundred thirty-eight".