222840652 has 24 divisors (see below), whose sum is σ = 407667456. Its totient is φ = 106381968.

The previous prime is 222840649. The next prime is 222840691. The reversal of 222840652 is 256048222.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57273 + ... + 61039.

It is an arithmetic number, because the mean of its divisors is an integer number (16986144).

Almost surely, 2^222840652 is an apocalyptic number.

It is an amenable number.

222840652 is a deficient number, since it is larger than the sum of its proper divisors (184826804).

222840652 is a wasteful number, since it uses less digits than its factorization.

222840652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4437 (or 4435 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 222840652 is about 14927.8482039442. The cubic root of 222840652 is about 606.2682245983.

Adding to 222840652 its reverse (256048222), we get a palindrome (478888874).

The spelling of 222840652 in words is "two hundred twenty-two million, eight hundred forty thousand, six hundred fifty-two".