22132401 has 16 divisors (see below), whose sum is σ = 31018944. Its totient is φ = 14019264.

The previous prime is 22132399. The next prime is 22132457. The reversal of 22132401 is 10423122.

It is not a de Polignac number, because 22132401 - 2¹ = 22132399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22132471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2455 + ... + 7091.

It is an arithmetic number, because the mean of its divisors is an integer number (1938684).

Almost surely, 2^22132401 is an apocalyptic number.

It is an amenable number.

22132401 is a deficient number, since it is larger than the sum of its proper divisors (8886543).

22132401 is a wasteful number, since it uses less digits than its factorization.

22132401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4720.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 22132401 is about 4704.5085822007. The cubic root of 22132401 is about 280.7649195021.

Adding to 22132401 its reverse (10423122), we get a palindrome (32555523).

The spelling of 22132401 in words is "twenty-two million, one hundred thirty-two thousand, four hundred one".