242200222131 has 64 divisors (see below), whose sum is σ = 381630412800. Its totient is φ = 133757568000.

The previous prime is 242200222123. The next prime is 242200222133. The reversal of 242200222131 is 131222002242.

It is not a de Polignac number, because 242200222131 - 2³ = 242200222123 is a prime.

It is a super-2 number, since 2×242200222131² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 242200222098 and 242200222107.

It is not an unprimeable number, because it can be changed into a prime (242200222133) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 50571885 + ... + 50576673.

It is an arithmetic number, because the mean of its divisors is an integer number (5962975200).

Almost surely, 2^242200222131 is an apocalyptic number.

242200222131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

242200222131 is a deficient number, since it is larger than the sum of its proper divisors (139430190669).

242200222131 is a wasteful number, since it uses less digits than its factorization.

242200222131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5380.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 242200222131 its reverse (131222002242), we get a palindrome (373422224373).

The spelling of 242200222131 in words is "two hundred forty-two billion, two hundred million, two hundred twenty-two thousand, one hundred thirty-one".