222979305 has 8 divisors (see below), whose sum is σ = 356766912. Its totient is φ = 118922288.

The previous prime is 222979297. The next prime is 222979313. The reversal of 222979305 is 503979222.

222979305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (222979297) and next prime (222979313).

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 222979305 - 2³ = 222979297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7432629 + ... + 7432658.

It is an arithmetic number, because the mean of its divisors is an integer number (44595864).

Almost surely, 2^222979305 is an apocalyptic number.

It is an amenable number.

222979305 is a deficient number, since it is larger than the sum of its proper divisors (133787607).

222979305 is a wasteful number, since it uses less digits than its factorization.

222979305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14865295.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 222979305 is about 14932.4915871398. The cubic root of 222979305 is about 606.3939399603.

The spelling of 222979305 in words is "two hundred twenty-two million, nine hundred seventy-nine thousand, three hundred five".