222583749 has 16 divisors (see below), whose sum is σ = 308237760. Its totient is φ = 142750080.

The previous prime is 222583747. The next prime is 222583783. The reversal of 222583749 is 947385222.

222583749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222583749 - 2¹ = 222583747 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222583749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222583741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1387 + ... + 21144.

It is an arithmetic number, because the mean of its divisors is an integer number (19264860).

Almost surely, 2^222583749 is an apocalyptic number.

It is an amenable number.

222583749 is a deficient number, since it is larger than the sum of its proper divisors (85654011).

222583749 is a wasteful number, since it uses less digits than its factorization.

222583749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22660.

The product of its digits is 241920, while the sum is 42.

The square root of 222583749 is about 14919.2408989198. The cubic root of 222583749 is about 606.0351551891.

The spelling of 222583749 in words is "two hundred twenty-two million, five hundred eighty-three thousand, seven hundred forty-nine".