222844731 has 8 divisors (see below), whose sum is σ = 297837120. Its totient is φ = 148207752.

The previous prime is 222844693. The next prime is 222844733. The reversal of 222844731 is 137448222.

It is a happy number.

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

It is not a de Polignac number, because 222844731 - 2⁷ = 222844603 is a prime.

It is a super-2 number, since 2×222844731² = 99319548268924722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222844692 and 222844701.

It is not an unprimeable number, because it can be changed into a prime (222844733) 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, 87385 + ... + 89898.

It is an arithmetic number, because the mean of its divisors is an integer number (37229640).

Almost surely, 2^222844731 is an apocalyptic number.

222844731 is a deficient number, since it is larger than the sum of its proper divisors (74992389).

222844731 is a wasteful number, since it uses less digits than its factorization.

222844731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177705.

The product of its digits is 21504, while the sum is 33.

The square root of 222844731 is about 14927.9848271627. The cubic root of 222844731 is about 606.2719237333.

The spelling of 222844731 in words is "two hundred twenty-two million, eight hundred forty-four thousand, seven hundred thirty-one".