23132722 has 4 divisors (see below), whose sum is σ = 34699086. Its totient is φ = 11566360.

The previous prime is 23132719. The next prime is 23132731. The reversal of 23132722 is 22723132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 23126481 + 6241 = 4809^2 + 79^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23132693 and 23132702.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5783179 + ... + 5783182.

Almost surely, 2^23132722 is an apocalyptic number.

23132722 is a deficient number, since it is larger than the sum of its proper divisors (11566364).

23132722 is a wasteful number, since it uses less digits than its factorization.

23132722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11566363.

The product of its digits is 1008, while the sum is 22.

The square root of 23132722 is about 4809.6488437307. The cubic root of 23132722 is about 284.9326690231.

Adding to 23132722 its reverse (22723132), we get a palindrome (45855854).

The spelling of 23132722 in words is "twenty-three million, one hundred thirty-two thousand, seven hundred twenty-two".