222010749 has 6 divisors (see below), whose sum is σ = 320682206. Its totient is φ = 148007160.

The previous prime is 222010741. The next prime is 222010753. The reversal of 222010749 is 947010222.

It can be written as a sum of positive squares in only one way, i.e., 169911225 + 52099524 = 13035^2 + 7218^2 .

It is not a de Polignac number, because 222010749 - 2³ = 222010741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222010741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12333922 + ... + 12333939.

Almost surely, 2^222010749 is an apocalyptic number.

It is an amenable number.

222010749 is a deficient number, since it is larger than the sum of its proper divisors (98671457).

222010749 is a wasteful number, since it uses less digits than its factorization.

222010749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24667867 (or 24667864 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 222010749 is about 14900.0251342070. The cubic root of 222010749 is about 605.5146671242.

The spelling of 222010749 in words is "two hundred twenty-two million, ten thousand, seven hundred forty-nine".