222746456 has 16 divisors (see below), whose sum is σ = 417852000. Its totient is φ = 111319264.

The previous prime is 222746453. The next prime is 222746483. The reversal of 222746456 is 654647222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222746453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14870 + ... + 25818.

It is an arithmetic number, because the mean of its divisors is an integer number (26115750).

Almost surely, 2^222746456 is an apocalyptic number.

It is an amenable number.

222746456 is a deficient number, since it is larger than the sum of its proper divisors (195105544).

222746456 is a wasteful number, since it uses less digits than its factorization.

222746456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13498 (or 13494 counting only the distinct ones).

The product of its digits is 161280, while the sum is 38.

The square root of 222746456 is about 14924.6928276598. The cubic root of 222746456 is about 606.1827882268.

The spelling of 222746456 in words is "two hundred twenty-two million, seven hundred forty-six thousand, four hundred fifty-six".