22073131 has 4 divisors (see below), whose sum is σ = 22195264. Its totient is φ = 21951000.

The previous prime is 22073113. The next prime is 22073159. The reversal of 22073131 is 13137022.

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

It is a cyclic number.

It is not a de Polignac number, because 22073131 - 2⁵ = 22073099 is a prime.

It is a super-2 number, since 2×22073131² = 974446224286322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22073099 and 22073108.

It is not an unprimeable number, because it can be changed into a prime (22073111) 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 3 ways as a sum of consecutive naturals, for example, 60795 + ... + 61156.

It is an arithmetic number, because the mean of its divisors is an integer number (5548816).

Almost surely, 2^22073131 is an apocalyptic number.

22073131 is a deficient number, since it is larger than the sum of its proper divisors (122133).

22073131 is a wasteful number, since it uses less digits than its factorization.

22073131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122132.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 22073131 is about 4698.2050827949. The cubic root of 22073131 is about 280.5140683693.

The spelling of 22073131 in words is "twenty-two million, seventy-three thousand, one hundred thirty-one".