22463446 has 4 divisors (see below), whose sum is σ = 33695172. Its totient is φ = 11231722.

The previous prime is 22463423. The next prime is 22463447. The reversal of 22463446 is 64436422.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22463447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5615860 + ... + 5615863.

It is an arithmetic number, because the mean of its divisors is an integer number (8423793).

Almost surely, 2^22463446 is an apocalyptic number.

22463446 is a deficient number, since it is larger than the sum of its proper divisors (11231726).

22463446 is a wasteful number, since it uses less digits than its factorization.

22463446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11231725.

The product of its digits is 27648, while the sum is 31.

The square root of 22463446 is about 4739.5617940903. The cubic root of 22463446 is about 282.1578429928.

Adding to 22463446 its reverse (64436422), we get a palindrome (86899868).

The spelling of 22463446 in words is "twenty-two million, four hundred sixty-three thousand, four hundred forty-six".