222596649 has 12 divisors (see below), whose sum is σ = 350758512. Its totient is φ = 134907000.

The previous prime is 222596629. The next prime is 222596659. The reversal of 222596649 is 946695222.

It is not a de Polignac number, because 222596649 - 2⁵ = 222596617 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (222596629) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1124127 + ... + 1124324.

It is an arithmetic number, because the mean of its divisors is an integer number (29229876).

Almost surely, 2^222596649 is an apocalyptic number.

It is an amenable number.

222596649 is a deficient number, since it is larger than the sum of its proper divisors (128161863).

222596649 is a wasteful number, since it uses less digits than its factorization.

222596649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248468 (or 2248465 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 222596649 is about 14919.6732202820. The cubic root of 222596649 is about 606.0468626963.

The spelling of 222596649 in words is "two hundred twenty-two million, five hundred ninety-six thousand, six hundred forty-nine".