222047749 has 32 divisors (see below), whose sum is σ = 283299840. Its totient is φ = 169041600.

The previous prime is 222047731. The next prime is 222047783. The reversal of 222047749 is 947740222.

It is not a de Polignac number, because 222047749 - 2⁵ = 222047717 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 (222047719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1052254 + ... + 1052464.

It is an arithmetic number, because the mean of its divisors is an integer number (8853120).

Almost surely, 2^222047749 is an apocalyptic number.

It is an amenable number.

222047749 is a deficient number, since it is larger than the sum of its proper divisors (61252091).

222047749 is a wasteful number, since it uses less digits than its factorization.

222047749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 222047749 is about 14901.2666911239. The cubic root of 222047749 is about 605.5483033307.

The spelling of 222047749 in words is "two hundred twenty-two million, forty-seven thousand, seven hundred forty-nine".