22671604 has 6 divisors (see below), whose sum is σ = 39675314. Its totient is φ = 11335800.

The previous prime is 22671601. The next prime is 22671613. The reversal of 22671604 is 40617622.

It can be written as a sum of positive squares in only one way, i.e., 20976400 + 1695204 = 4580^2 + 1302^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22671601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2833947 + ... + 2833954.

Almost surely, 2^22671604 is an apocalyptic number.

It is an amenable number.

22671604 is a deficient number, since it is larger than the sum of its proper divisors (17003710).

22671604 is a wasteful number, since it uses less digits than its factorization.

22671604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5667905 (or 5667903 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 22671604 is about 4761.4707811768. The cubic root of 22671604 is about 283.0267052675.

The spelling of 22671604 in words is "twenty-two million, six hundred seventy-one thousand, six hundred four".