2002222131 has 16 divisors (see below), whose sum is σ = 3285698304. Its totient is φ = 1056117024.

The previous prime is 2002222127. The next prime is 2002222133. The reversal of 2002222131 is 1312222002.

It is a happy number.

It is not a de Polignac number, because 2002222131 - 2² = 2002222127 is a prime.

It is a super-2 number, since 2×2002222131² = 8017786923732362322, 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 2002222131.

It is not an unprimeable number, because it can be changed into a prime (2002222133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3666801 + ... + 3667346.

It is an arithmetic number, because the mean of its divisors is an integer number (205356144).

Almost surely, 2^2002222131 is an apocalyptic number.

2002222131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2002222131 is a deficient number, since it is larger than the sum of its proper divisors (1283476173).

2002222131 is a wasteful number, since it uses less digits than its factorization.

2002222131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7334170.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2002222131 is about 44746.1968328036. The cubic root of 2002222131 is about 1260.3874954574.

Adding to 2002222131 its reverse (1312222002), we get a palindrome (3314444133).

The spelling of 2002222131 in words is "two billion, two million, two hundred twenty-two thousand, one hundred thirty-one".