22132451 has 8 divisors (see below), whose sum is σ = 24192000. Its totient is φ = 20080840.

The previous prime is 22132399. The next prime is 22132457. The reversal of 22132451 is 15423122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22132451 - 2⁶ = 22132387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22132457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4910 + ... + 8268.

It is an arithmetic number, because the mean of its divisors is an integer number (3024000).

Almost surely, 2^22132451 is an apocalyptic number.

22132451 is a deficient number, since it is larger than the sum of its proper divisors (2059549).

22132451 is a wasteful number, since it uses less digits than its factorization.

22132451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3969.

The product of its digits is 480, while the sum is 20.

The square root of 22132451 is about 4704.5138962490. The cubic root of 22132451 is about 280.7651309302.

Adding to 22132451 its reverse (15423122), we get a palindrome (37555573).

It can be divided in two parts, 2213 and 2451, that added together give a palindrome (4664).

The spelling of 22132451 in words is "twenty-two million, one hundred thirty-two thousand, four hundred fifty-one".