22132047 has 16 divisors (see below), whose sum is σ = 34813952. Its totient is φ = 12238560.

The previous prime is 22132037. The next prime is 22132051. The reversal of 22132047 is 74023122.

It is not a de Polignac number, because 22132047 - 2⁶ = 22131983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22132027) 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, 16348 + ... + 17649.

It is an arithmetic number, because the mean of its divisors is an integer number (2175872).

Almost surely, 2^22132047 is an apocalyptic number.

22132047 is a deficient number, since it is larger than the sum of its proper divisors (12681905).

22132047 is a wasteful number, since it uses less digits than its factorization.

22132047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34038.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 22132047 is about 4704.4709585670. The cubic root of 22132047 is about 280.7634225819.

Adding to 22132047 its reverse (74023122), we get a palindrome (96155169).

The spelling of 22132047 in words is "twenty-two million, one hundred thirty-two thousand, forty-seven".