23224402 has 4 divisors (see below), whose sum is σ = 34836606. Its totient is φ = 11612200.

The previous prime is 23224393. The next prime is 23224433. The reversal of 23224402 is 20442232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19456921 + 3767481 = 4411^2 + 1941^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23224402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5806099 + ... + 5806102.

Almost surely, 2^23224402 is an apocalyptic number.

23224402 is a deficient number, since it is larger than the sum of its proper divisors (11612204).

23224402 is a wasteful number, since it uses less digits than its factorization.

23224402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11612203.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 23224402 is about 4819.1702605324. The cubic root of 23224402 is about 285.3085895193.

Adding to 23224402 its reverse (20442232), we get a palindrome (43666634).

It can be divided in two parts, 2322 and 4402, that added together give a square (6724 = 82²).

The spelling of 23224402 in words is "twenty-three million, two hundred twenty-four thousand, four hundred two".