222052979 has 2 divisors, whose sum is σ = 222052980. Its totient is φ = 222052978.

The previous prime is 222052949. The next prime is 222053003. The reversal of 222052979 is 979250222.

222052979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222052979 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (222052949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111026489 + 111026490.

It is an arithmetic number, because the mean of its divisors is an integer number (111026490).

Almost surely, 2^222052979 is an apocalyptic number.

222052979 is a deficient number, since it is larger than the sum of its proper divisors (1).

222052979 is an equidigital number, since it uses as much as digits as its factorization.

222052979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 222052979 is about 14901.4421785276. The cubic root of 222052979 is about 605.5530575525.

The spelling of 222052979 in words is "two hundred twenty-two million, fifty-two thousand, nine hundred seventy-nine".