113222131 has 8 divisors (see below), whose sum is σ = 123710400. Its totient is φ = 102766440.

The previous prime is 113222129. The next prime is 113222141. The reversal of 113222131 is 131222311.

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

It is a cyclic number.

It is not a de Polignac number, because 113222131 - 2¹ = 113222129 is a prime.

It is a super-2 number, since 2×113222131² = 25638501896362322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113222101) 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, 561 + ... + 15058.

It is an arithmetic number, because the mean of its divisors is an integer number (15463800).

Almost surely, 2^113222131 is an apocalyptic number.

113222131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

113222131 is a deficient number, since it is larger than the sum of its proper divisors (10488269).

113222131 is a wasteful number, since it uses less digits than its factorization.

113222131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16289.

The product of its digits is 72, while the sum is 16.

The square root of 113222131 is about 10640.5888464878. The cubic root of 113222131 is about 483.7753935306.

Adding to 113222131 its reverse (131222311), we get a palindrome (244444442).

The spelling of 113222131 in words is "one hundred thirteen million, two hundred twenty-two thousand, one hundred thirty-one".