222739384 has 16 divisors (see below), whose sum is σ = 477298800. Its totient is φ = 95459712.

The previous prime is 222739367. The next prime is 222739393. The reversal of 222739384 is 483937222.

It is a super-2 number, since 2×222739384² = 99225666369398912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1988689 + ... + 1988800.

It is an arithmetic number, because the mean of its divisors is an integer number (29831175).

Almost surely, 2^222739384 is an apocalyptic number.

It is an amenable number.

222739384 is an abundant number, since it is smaller than the sum of its proper divisors (254559416).

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

222739384 is a wasteful number, since it uses less digits than its factorization.

222739384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3977502 (or 3977498 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The square root of 222739384 is about 14924.4559029802. The cubic root of 222739384 is about 606.1763729058.

The spelling of 222739384 in words is "two hundred twenty-two million, seven hundred thirty-nine thousand, three hundred eighty-four".