22372135 has 4 divisors (see below), whose sum is σ = 26846568. Its totient is φ = 17897704.

The previous prime is 22372127. The next prime is 22372159. The reversal of 22372135 is 53127322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53127322 = 2 ⋅26563661.

It is a cyclic number.

It is not a de Polignac number, because 22372135 - 2³ = 22372127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2237209 + ... + 2237218.

It is an arithmetic number, because the mean of its divisors is an integer number (6711642).

Almost surely, 2^22372135 is an apocalyptic number.

22372135 is a deficient number, since it is larger than the sum of its proper divisors (4474433).

22372135 is an equidigital number, since it uses as much as digits as its factorization.

22372135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4474432.

The product of its digits is 2520, while the sum is 25.

The square root of 22372135 is about 4729.9191325011. The cubic root of 22372135 is about 281.7750121022.

Adding to 22372135 its reverse (53127322), we get a palindrome (75499457).

The spelling of 22372135 in words is "twenty-two million, three hundred seventy-two thousand, one hundred thirty-five".