22463501 has 6 divisors (see below), whose sum is σ = 22999950. Its totient is φ = 21939288.

The previous prime is 22463489. The next prime is 22463513. The reversal of 22463501 is 10536422.

It is an interprime number because it is at equal distance from previous prime (22463489) and next prime (22463513).

It can be written as a sum of positive squares in only one way, i.e., 22372900 + 90601 = 4730^2 + 301^2 .

It is not a de Polignac number, because 22463501 - 2¹⁰ = 22462477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22463521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4226 + ... + 7923.

It is an arithmetic number, because the mean of its divisors is an integer number (3833325).

Almost surely, 2^22463501 is an apocalyptic number.

It is an amenable number.

22463501 is a deficient number, since it is larger than the sum of its proper divisors (536449).

22463501 is an equidigital number, since it uses as much as digits as its factorization.

22463501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12235 (or 12192 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 22463501 is about 4739.5675963109. The cubic root of 22463501 is about 282.1580732731.

Adding to 22463501 its reverse (10536422), we get a palindrome (32999923).

The spelling of 22463501 in words is "twenty-two million, four hundred sixty-three thousand, five hundred one".