222272965 has 8 divisors (see below), whose sum is σ = 275925240. Its totient is φ = 171686592.

The previous prime is 222272957. The next prime is 222272971. The reversal of 222272965 is 569272222.

It can be written as a sum of positive squares in 4 ways, for example, as 4592449 + 217680516 = 2143^2 + 14754^2 .

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 222272965 - 2³ = 222272957 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766314 + ... + 766603.

It is an arithmetic number, because the mean of its divisors is an integer number (34490655).

Almost surely, 2^222272965 is an apocalyptic number.

It is an amenable number.

222272965 is a deficient number, since it is larger than the sum of its proper divisors (53652275).

222272965 is a wasteful number, since it uses less digits than its factorization.

222272965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532951.

The product of its digits is 60480, while the sum is 37.

The square root of 222272965 is about 14908.8217173592. The cubic root of 222272965 is about 605.7529636420.

The spelling of 222272965 in words is "two hundred twenty-two million, two hundred seventy-two thousand, nine hundred sixty-five".