22468690 has 8 divisors (see below), whose sum is σ = 40443660. Its totient is φ = 8987472.

The previous prime is 22468669. The next prime is 22468703. The reversal of 22468690 is 9686422.

It can be written as a sum of positive squares in 2 ways, for example, as 19775809 + 2692881 = 4447^2 + 1641^2 .

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

It is a super-2 number, since 2×22468690² = 1009684060632200, which contains 22 as substring.

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, 1123425 + ... + 1123444.

Almost surely, 2^22468690 is an apocalyptic number.

22468690 is a deficient number, since it is larger than the sum of its proper divisors (17974970).

22468690 is a wasteful number, since it uses less digits than its factorization.

22468690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246876.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 22468690 is about 4740.1149775085. The cubic root of 22468690 is about 282.1797974843.

The spelling of 22468690 in words is "twenty-two million, four hundred sixty-eight thousand, six hundred ninety".