222074784 has 72 divisors (see below), whose sum is σ = 654937920. Its totient is φ = 74022336.

The previous prime is 222074759. The next prime is 222074789. The reversal of 222074784 is 487470222.

222074784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (222074789) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6504 + ... + 22055.

It is an arithmetic number, because the mean of its divisors is an integer number (9096360).

Almost surely, 2^222074784 is an apocalyptic number.

222074784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

222074784 is an abundant number, since it is smaller than the sum of its proper divisors (432863136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222074784 is an equidigital number, since it uses as much as digits as its factorization.

222074784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28584 (or 28564 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The square root of 222074784 is about 14902.1738011607. The cubic root of 222074784 is about 605.5728781261.

The spelling of 222074784 in words is "two hundred twenty-two million, seventy-four thousand, seven hundred eighty-four".