222564407 has 16 divisors (see below), whose sum is σ = 248973312. Its totient is φ = 197566560.

The previous prime is 222564401. The next prime is 222564421. The reversal of 222564407 is 704465222.

It is a cyclic number.

It is not a de Polignac number, because 222564407 - 2¹⁸ = 222302263 is a prime.

It is a super-3 number, since 3×222564407³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222564401) 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 15 ways as a sum of consecutive naturals, for example, 65648 + ... + 68954.

It is an arithmetic number, because the mean of its divisors is an integer number (15560832).

Almost surely, 2^222564407 is an apocalyptic number.

222564407 is a deficient number, since it is larger than the sum of its proper divisors (26408905).

222564407 is a wasteful number, since it uses less digits than its factorization.

222564407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3518.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 222564407 is about 14918.5926615080. The cubic root of 222564407 is about 606.0176003413.

The spelling of 222564407 in words is "two hundred twenty-two million, five hundred sixty-four thousand, four hundred seven".