222724799 has 8 divisors (see below), whose sum is σ = 246395520. Its totient is φ = 199624600.

The previous prime is 222724787. The next prime is 222724807. The reversal of 222724799 is 997427222.

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 222724799 - 2¹² = 222720703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222724499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141809 + ... + 143370.

It is an arithmetic number, because the mean of its divisors is an integer number (30799440).

Almost surely, 2^222724799 is an apocalyptic number.

222724799 is a deficient number, since it is larger than the sum of its proper divisors (23670721).

222724799 is a wasteful number, since it uses less digits than its factorization.

222724799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285261.

The product of its digits is 254016, while the sum is 44.

The square root of 222724799 is about 14923.9672674527. The cubic root of 222724799 is about 606.1631417845.

The spelling of 222724799 in words is "two hundred twenty-two million, seven hundred twenty-four thousand, seven hundred ninety-nine".