222984690 has 16 divisors (see below), whose sum is σ = 535163328. Its totient is φ = 59462576.

The previous prime is 222984661. The next prime is 222984709. The reversal of 222984690 is 96489222.

It is a super-2 number, since 2×222984690² = 99444343948792200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3716382 + ... + 3716441.

It is an arithmetic number, because the mean of its divisors is an integer number (33447708).

Almost surely, 2^222984690 is an apocalyptic number.

222984690 is an abundant number, since it is smaller than the sum of its proper divisors (312178638).

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

222984690 is a wasteful number, since it uses less digits than its factorization.

222984690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7432833.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 222984690 is about 14932.6718975540. The cubic root of 222984690 is about 606.3988214374.

The spelling of 222984690 in words is "two hundred twenty-two million, nine hundred eighty-four thousand, six hundred ninety".