2202420400131 has 32 divisors (see below), whose sum is σ = 3482959334400. Its totient is φ = 1211221226880.

The previous prime is 2202420400127. The next prime is 2202420400151. The reversal of 2202420400131 is 1310040242022.

It is not a de Polignac number, because 2202420400131 - 2² = 2202420400127 is a prime.

It is a super-2 number, since 2×2202420400131² (a number of 25 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 = 2202420400098 and 2202420400107.

It is not an unprimeable number, because it can be changed into a prime (2202420400151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5624836 + ... + 6003633.

It is an arithmetic number, because the mean of its divisors is an integer number (108842479200).

Almost surely, 2^{2202420400131} is an apocalyptic number.

2202420400131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2202420400131 is a deficient number, since it is larger than the sum of its proper divisors (1280538934269).

2202420400131 is a wasteful number, since it uses less digits than its factorization.

2202420400131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11628819.

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

Adding to 2202420400131 its reverse (1310040242022), we get a palindrome (3512460642153).

The spelling of 2202420400131 in words is "two trillion, two hundred two billion, four hundred twenty million, four hundred thousand, one hundred thirty-one".