222164761 has 16 divisors (see below), whose sum is σ = 280827904. Its totient is φ = 171025344.

The previous prime is 222164753. The next prime is 222164771. The reversal of 222164761 is 167461222.

It is not a de Polignac number, because 222164761 - 2³ = 222164753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222164731) 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, 29625 + ... + 36358.

It is an arithmetic number, because the mean of its divisors is an integer number (17551744).

Almost surely, 2^222164761 is an apocalyptic number.

It is an amenable number.

222164761 is a deficient number, since it is larger than the sum of its proper divisors (58663143).

222164761 is a wasteful number, since it uses less digits than its factorization.

222164761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66040.

The product of its digits is 8064, while the sum is 31.

The square root of 222164761 is about 14905.1924174094. The cubic root of 222164761 is about 605.6546527918.

The spelling of 222164761 in words is "two hundred twenty-two million, one hundred sixty-four thousand, seven hundred sixty-one".