222659644 has 12 divisors (see below), whose sum is σ = 391633704. Its totient is φ = 110764304.

The previous prime is 222659627. The next prime is 222659669. The reversal of 222659644 is 446956222.

It is a junction number, because it is equal to n+sod(n) for n = 222659597 and 222659606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140494 + ... + 142069.

It is an arithmetic number, because the mean of its divisors is an integer number (32636142).

Almost surely, 2^222659644 is an apocalyptic number.

It is an amenable number.

222659644 is a deficient number, since it is larger than the sum of its proper divisors (168974060).

222659644 is a wasteful number, since it uses less digits than its factorization.

222659644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282764 (or 282762 counting only the distinct ones).

The product of its digits is 207360, while the sum is 40.

The square root of 222659644 is about 14921.7842096714. The cubic root of 222659644 is about 606.1040278593.

The spelling of 222659644 in words is "two hundred twenty-two million, six hundred fifty-nine thousand, six hundred forty-four".