222564601 has 16 divisors (see below), whose sum is σ = 258453504. Its totient is φ = 187724304.

The previous prime is 222564577. The next prime is 222564607. The reversal of 222564601 is 106465222.

It is a cyclic number.

It is not a de Polignac number, because 222564601 - 2²⁷ = 88346873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222564601.

It is not an unprimeable number, because it can be changed into a prime (222564607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121176 + ... + 122998.

It is an arithmetic number, because the mean of its divisors is an integer number (16153344).

Almost surely, 2^222564601 is an apocalyptic number.

It is an amenable number.

222564601 is a deficient number, since it is larger than the sum of its proper divisors (35888903).

222564601 is a wasteful number, since it uses less digits than its factorization.

222564601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 222564601 is about 14918.5991634604. The cubic root of 222564601 is about 606.0177764213.

The spelling of 222564601 in words is "two hundred twenty-two million, five hundred sixty-four thousand, six hundred one".