222745601 has 8 divisors (see below), whose sum is σ = 240018240. Its totient is φ = 205492752.

The previous prime is 222745573. The next prime is 222745619. The reversal of 222745601 is 106547222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222745601 - 2²² = 218551297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222745301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25340 + ... + 32978.

It is an arithmetic number, because the mean of its divisors is an integer number (30002280).

Almost surely, 2^222745601 is an apocalyptic number.

It is an amenable number.

222745601 is a deficient number, since it is larger than the sum of its proper divisors (17272639).

222745601 is a wasteful number, since it uses less digits than its factorization.

222745601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9895.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 222745601 is about 14924.6641838267. The cubic root of 222745601 is about 606.1820126260.

The spelling of 222745601 in words is "two hundred twenty-two million, seven hundred forty-five thousand, six hundred one".