222799730 has 8 divisors (see below), whose sum is σ = 401039532. Its totient is φ = 89119888.

The previous prime is 222799729. The next prime is 222799771. The reversal of 222799730 is 37997222.

It can be written as a sum of positive squares in 2 ways, for example, as 204404209 + 18395521 = 14297^2 + 4289^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11139977 + ... + 11139996.

Almost surely, 2^222799730 is an apocalyptic number.

222799730 is a deficient number, since it is larger than the sum of its proper divisors (178239802).

222799730 is a wasteful number, since it uses less digits than its factorization.

222799730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22279980.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 222799730 is about 14926.4774813082. The cubic root of 222799730 is about 606.2311110422.

The spelling of 222799730 in words is "two hundred twenty-two million, seven hundred ninety-nine thousand, seven hundred thirty".