103222131 has 4 divisors (see below), whose sum is σ = 137629512. Its totient is φ = 68814752.

The previous prime is 103222129. The next prime is 103222159. The reversal of 103222131 is 131222301.

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 103222131 - 2¹ = 103222129 is a prime.

It is a super-2 number, since 2×103222131² = 21309616656362322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103222131.

It is not an unprimeable number, because it can be changed into a prime (103222531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17203686 + ... + 17203691.

It is an arithmetic number, because the mean of its divisors is an integer number (34407378).

Almost surely, 2^103222131 is an apocalyptic number.

103222131 is a deficient number, since it is larger than the sum of its proper divisors (34407381).

103222131 is an equidigital number, since it uses as much as digits as its factorization.

103222131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34407380.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 103222131 is about 10159.8292800617. The cubic root of 103222131 is about 469.0915468460.

Adding to 103222131 its reverse (131222301), we get a palindrome (234444432).

The spelling of 103222131 in words is "one hundred three million, two hundred twenty-two thousand, one hundred thirty-one".