222149413 has 2 divisors, whose sum is σ = 222149414. Its totient is φ = 222149412.

The previous prime is 222149381. The next prime is 222149419. The reversal of 222149413 is 314941222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215707969 + 6441444 = 14687^2 + 2538^2 .

It is a cyclic number.

It is not a de Polignac number, because 222149413 - 2⁵ = 222149381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222149419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111074706 + 111074707.

It is an arithmetic number, because the mean of its divisors is an integer number (111074707).

Almost surely, 2^222149413 is an apocalyptic number.

It is an amenable number.

222149413 is a deficient number, since it is larger than the sum of its proper divisors (1).

222149413 is an equidigital number, since it uses as much as digits as its factorization.

222149413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 28.

The square root of 222149413 is about 14904.6775543787. The cubic root of 222149413 is about 605.6407054829.

The spelling of 222149413 in words is "two hundred twenty-two million, one hundred forty-nine thousand, four hundred thirteen".