222748461 has 40 divisors (see below), whose sum is σ = 360483200. Its totient is φ = 136258848.

The previous prime is 222748459. The next prime is 222748469. The reversal of 222748461 is 164847222.

It is not a de Polignac number, because 222748461 - 2¹ = 222748459 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222748469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 209016 + ... + 210078.

It is an arithmetic number, because the mean of its divisors is an integer number (9012080).

Almost surely, 2^222748461 is an apocalyptic number.

It is an amenable number.

222748461 is a deficient number, since it is larger than the sum of its proper divisors (137734739).

222748461 is a wasteful number, since it uses less digits than its factorization.

222748461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287 (or 1278 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 222748461 is about 14924.7599980703. The cubic root of 222748461 is about 606.1846070254.

The spelling of 222748461 in words is "two hundred twenty-two million, seven hundred forty-eight thousand, four hundred sixty-one".