22404464 has 10 divisors (see below), whose sum is σ = 43408680. Its totient is φ = 11202224.

The previous prime is 22404463. The next prime is 22404469. The reversal of 22404464 is 46440422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22404463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700124 + ... + 700155.

It is an arithmetic number, because the mean of its divisors is an integer number (4340868).

Almost surely, 2^22404464 is an apocalyptic number.

It is an amenable number.

22404464 is a deficient number, since it is larger than the sum of its proper divisors (21004216).

22404464 is a wasteful number, since it uses less digits than its factorization.

22404464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400287 (or 1400281 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 22404464 is about 4733.3353990606. The cubic root of 22404464 is about 281.9106737183.

Adding to 22404464 its reverse (46440422), we get a palindrome (68844886).

The spelling of 22404464 in words is "twenty-two million, four hundred four thousand, four hundred sixty-four".