22461404 has 18 divisors (see below), whose sum is σ = 45725400. Its totient is φ = 9626232.

The previous prime is 22461389. The next prime is 22461407. The reversal of 22461404 is 40416422.

It is a self number, because there is not a number n which added to its sum of digits gives 22461404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22461407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57104 + ... + 57495.

It is an arithmetic number, because the mean of its divisors is an integer number (2540300).

Almost surely, 2^22461404 is an apocalyptic number.

It is an amenable number.

22461404 is an abundant number, since it is smaller than the sum of its proper divisors (23263996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22461404 is a wasteful number, since it uses less digits than its factorization.

22461404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114617 (or 114608 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 22461404 is about 4739.3463684352. The cubic root of 22461404 is about 282.1492930464.

Adding to 22461404 its reverse (40416422), we get a palindrome (62877826).

The spelling of 22461404 in words is "twenty-two million, four hundred sixty-one thousand, four hundred four".