22615466 has 4 divisors (see below), whose sum is σ = 33923202. Its totient is φ = 11307732.

The previous prime is 22615451. The next prime is 22615487. The reversal of 22615466 is 66451622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66451622 = 2 ⋅33225811.

It can be written as a sum of positive squares in only one way, i.e., 18309841 + 4305625 = 4279^2 + 2075^2 .

It is a super-2 number, since 2×22615466² = 1022918604794312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5653865 + ... + 5653868.

Almost surely, 2^22615466 is an apocalyptic number.

22615466 is a deficient number, since it is larger than the sum of its proper divisors (11307736).

22615466 is a wasteful number, since it uses less digits than its factorization.

22615466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11307735.

The product of its digits is 17280, while the sum is 32.

The square root of 22615466 is about 4755.5721001789. The cubic root of 22615466 is about 282.7929078804.

The spelling of 22615466 in words is "twenty-two million, six hundred fifteen thousand, four hundred sixty-six".