22425404 has 12 divisors (see below), whose sum is σ = 40305384. Its totient is φ = 10909584.

The previous prime is 22425383. The next prime is 22425427. The reversal of 22425404 is 40452422.

It is a self number, because there is not a number n which added to its sum of digits gives 22425404.

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, 75614 + ... + 75909.

It is an arithmetic number, because the mean of its divisors is an integer number (3358782).

Almost surely, 2^22425404 is an apocalyptic number.

It is an amenable number.

22425404 is a deficient number, since it is larger than the sum of its proper divisors (17879980).

22425404 is a wasteful number, since it uses less digits than its factorization.

22425404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151564 (or 151562 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 22425404 is about 4735.5468533212. The cubic root of 22425404 is about 281.9984742469.

Adding to 22425404 its reverse (40452422), we get a palindrome (62877826).

The spelling of 22425404 in words is "twenty-two million, four hundred twenty-five thousand, four hundred four".