22102031 has 8 divisors (see below), whose sum is σ = 26130720. Its totient is φ = 18291168.

The previous prime is 22102013. The next prime is 22102051. The reversal of 22102031 is 13020122.

It is a happy number.

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

It is not a de Polignac number, because 22102031 - 2⁶ = 22101967 is a prime.

It is a super-2 number, since 2×22102031² = 976999548649922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54236 + ... + 54641.

It is an arithmetic number, because the mean of its divisors is an integer number (3266340).

Almost surely, 2^22102031 is an apocalyptic number.

22102031 is a deficient number, since it is larger than the sum of its proper divisors (4028689).

22102031 is a wasteful number, since it uses less digits than its factorization.

22102031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108913.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 22102031 is about 4701.2797193956. The cubic root of 22102031 is about 280.6364391843.

Adding to 22102031 its reverse (13020122), we get a palindrome (35122153).

The spelling of 22102031 in words is "twenty-two million, one hundred two thousand, thirty-one".