22461501 has 16 divisors (see below), whose sum is σ = 31371264. Its totient is φ = 14268144.

The previous prime is 22461499. The next prime is 22461503. The reversal of 22461501 is 10516422.

It is an interprime number because it is at equal distance from previous prime (22461499) and next prime (22461503).

It is not a de Polignac number, because 22461501 - 2¹ = 22461499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22461503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24880 + ... + 25766.

It is an arithmetic number, because the mean of its divisors is an integer number (1960704).

Almost surely, 2^22461501 is an apocalyptic number.

It is an amenable number.

22461501 is a deficient number, since it is larger than the sum of its proper divisors (8909763).

22461501 is a wasteful number, since it uses less digits than its factorization.

22461501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 22461501 is about 4739.3566019028. The cubic root of 22461501 is about 282.1496992015.

Adding to 22461501 its reverse (10516422), we get a palindrome (32977923).

The spelling of 22461501 in words is "twenty-two million, four hundred sixty-one thousand, five hundred one".