40222213231 has 12 divisors (see below), whose sum is σ = 43652329056. Its totient is φ = 36932852480.

The previous prime is 40222213211. The next prime is 40222213243. The reversal of 40222213231 is 13231222204.

It is not a de Polignac number, because 40222213231 - 2⁷ = 40222213103 is a prime.

It is a super-2 number, since 2×40222213231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40222213211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 675175 + ... + 732328.

It is an arithmetic number, because the mean of its divisors is an integer number (3637694088).

Almost surely, 2^40222213231 is an apocalyptic number.

40222213231 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

40222213231 is a deficient number, since it is larger than the sum of its proper divisors (3430115825).

40222213231 is a wasteful number, since it uses less digits than its factorization.

40222213231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407602 (or 1407561 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 40222213231 its reverse (13231222204), we get a palindrome (53453435435).

The spelling of 40222213231 in words is "forty billion, two hundred twenty-two million, two hundred thirteen thousand, two hundred thirty-one".