22222400020131 has 8 divisors (see below), whose sum is σ = 29684635395664. Its totient is φ = 14787548995680.

The previous prime is 22222400020127. The next prime is 22222400020151. The reversal of 22222400020131 is 13102000422222.

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

It is not a de Polignac number, because 22222400020131 - 2² = 22222400020127 is a prime.

It is a super-2 number, since 2×22222400020131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22222400020098 and 22222400020107.

It is not an unprimeable number, because it can be changed into a prime (22222400020151) 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, 6846085876 + ... + 6846089121.

It is an arithmetic number, because the mean of its divisors is an integer number (3710579424458).

Almost surely, 2^{22222400020131} is an apocalyptic number.

22222400020131 is a deficient number, since it is larger than the sum of its proper divisors (7462235375533).

22222400020131 is a wasteful number, since it uses less digits than its factorization.

22222400020131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13692175541.

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

Adding to 22222400020131 its reverse (13102000422222), we get a palindrome (35324400442353).

The spelling of 22222400020131 in words is "twenty-two trillion, two hundred twenty-two billion, four hundred million, twenty thousand, one hundred thirty-one".