222057890749 has 4 divisors (see below), whose sum is σ = 222063161436. Its totient is φ = 222052620064.

The previous prime is 222057890741. The next prime is 222057890753. The reversal of 222057890749 is 947098750222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40313411524 + 181744479225 = 200782^2 + 426315^2 .

It is a cyclic number.

It is not a de Polignac number, because 222057890749 - 2³ = 222057890741 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222057890749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222057890741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2571634 + ... + 2656579.

It is an arithmetic number, because the mean of its divisors is an integer number (55515790359).

Almost surely, 2^222057890749 is an apocalyptic number.

It is an amenable number.

222057890749 is a deficient number, since it is larger than the sum of its proper divisors (5270687).

222057890749 is an equidigital number, since it uses as much as digits as its factorization.

222057890749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5270686.

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 222057890749 in words is "two hundred twenty-two billion, fifty-seven million, eight hundred ninety thousand, seven hundred forty-nine".