222153645 has 16 divisors (see below), whose sum is σ = 406224000. Its totient is φ = 101555904.

The previous prime is 222153623. The next prime is 222153653. The reversal of 222153645 is 546351222.

It is not a de Polignac number, because 222153645 - 2⁹ = 222153133 is a prime.

It is a super-3 number, since 3×222153645³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1057770 + ... + 1057979.

It is an arithmetic number, because the mean of its divisors is an integer number (25389000).

Almost surely, 2^222153645 is an apocalyptic number.

It is an amenable number.

222153645 is a deficient number, since it is larger than the sum of its proper divisors (184070355).

222153645 is a wasteful number, since it uses less digits than its factorization.

222153645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115764.

The product of its digits is 14400, while the sum is 30.

The square root of 222153645 is about 14904.8195225571. The cubic root of 222153645 is about 605.6445513257.

The spelling of 222153645 in words is "two hundred twenty-two million, one hundred fifty-three thousand, six hundred forty-five".