222666051 has 16 divisors (see below), whose sum is σ = 316181664. Its totient is φ = 138898944.

The previous prime is 222666029. The next prime is 222666053. The reversal of 222666051 is 150666222.

222666051 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 222666051 - 2⁷ = 222665923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222666053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3796 + ... + 21441.

It is an arithmetic number, because the mean of its divisors is an integer number (19761354).

Almost surely, 2^222666051 is an apocalyptic number.

222666051 is a deficient number, since it is larger than the sum of its proper divisors (93515613).

222666051 is a wasteful number, since it uses less digits than its factorization.

222666051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25430.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 222666051 is about 14921.9988942501. The cubic root of 222666051 is about 606.1098413230.

The spelling of 222666051 in words is "two hundred twenty-two million, six hundred sixty-six thousand, fifty-one".