18469222 has 8 divisors (see below), whose sum is σ = 27758376. Its totient is φ = 9216432.

The previous prime is 18469181. The next prime is 18469277. The reversal of 18469222 is 22296481.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×18469222² = 682224322570568, 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, 7783 + ... + 9874.

It is an arithmetic number, because the mean of its divisors is an integer number (3469797).

Almost surely, 2^18469222 is an apocalyptic number.

18469222 is a deficient number, since it is larger than the sum of its proper divisors (9289154).

18469222 is a wasteful number, since it uses less digits than its factorization.

18469222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18182.

The product of its digits is 13824, while the sum is 34.

The square root of 18469222 is about 4297.5832743532. The cubic root of 18469222 is about 264.3318733387.

The spelling of 18469222 in words is "eighteen million, four hundred sixty-nine thousand, two hundred twenty-two".