222956247 has 32 divisors (see below), whose sum is σ = 317194240. Its totient is φ = 139073760.

The previous prime is 222956233. The next prime is 222956269. The reversal of 222956247 is 742659222.

222956247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222956247 - 2⁴ = 222956231 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 (222956047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 507654 + ... + 508092.

It is an arithmetic number, because the mean of its divisors is an integer number (9912320).

Almost surely, 2^222956247 is an apocalyptic number.

222956247 is a deficient number, since it is larger than the sum of its proper divisors (94237993).

222956247 is a wasteful number, since it uses less digits than its factorization.

222956247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643.

The product of its digits is 120960, while the sum is 39.

The square root of 222956247 is about 14931.7194924094. The cubic root of 222956247 is about 606.3730371035.

The spelling of 222956247 in words is "two hundred twenty-two million, nine hundred fifty-six thousand, two hundred forty-seven".