222491701 has 2 divisors, whose sum is σ = 222491702. Its totient is φ = 222491700.

The previous prime is 222491641. The next prime is 222491747. The reversal of 222491701 is 107194222.

222491701 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 can be written as a sum of positive squares in only one way, i.e., 213189201 + 9302500 = 14601^2 + 3050^2 .

It is a cyclic number.

It is not a de Polignac number, because 222491701 - 2⁷ = 222491573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222491701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222491771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111245850 + 111245851.

It is an arithmetic number, because the mean of its divisors is an integer number (111245851).

Almost surely, 2^222491701 is an apocalyptic number.

It is an amenable number.

222491701 is a deficient number, since it is larger than the sum of its proper divisors (1).

222491701 is an equidigital number, since it uses as much as digits as its factorization.

222491701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 222491701 is about 14916.1557044702. The cubic root of 222491701 is about 605.9516030944.

The spelling of 222491701 in words is "two hundred twenty-two million, four hundred ninety-one thousand, seven hundred one".