22097031 has 8 divisors (see below), whose sum is σ = 32141184. Its totient is φ = 13392120.

The previous prime is 22096999. The next prime is 22097041. The reversal of 22097031 is 13079022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22097031 - 2⁵ = 22096999 is a prime.

It is a super-2 number, since 2×22097031² = 976557558029922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22096992 and 22097010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22097041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334771 + ... + 334836.

It is an arithmetic number, because the mean of its divisors is an integer number (4017648).

Almost surely, 2^22097031 is an apocalyptic number.

22097031 is a deficient number, since it is larger than the sum of its proper divisors (10044153).

22097031 is a wasteful number, since it uses less digits than its factorization.

22097031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669621.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 22097031 is about 4700.7479192146. The cubic root of 22097031 is about 280.6152753974.

Subtracting from 22097031 its reverse (13079022), we obtain a square (9018009 = 3003²).

The spelling of 22097031 in words is "twenty-two million, ninety-seven thousand, thirty-one".