40131422 has 16 divisors (see below), whose sum is σ = 62788992. Its totient is φ = 19215360.

The previous prime is 40131409. The next prime is 40131437. The reversal of 40131422 is 22413104.

It is a super-2 number, since 2×40131422² = 3221062063484168, 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 40131422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2678 + ... + 9350.

It is an arithmetic number, because the mean of its divisors is an integer number (3924312).

Almost surely, 2^40131422 is an apocalyptic number.

40131422 is a deficient number, since it is larger than the sum of its proper divisors (22657570).

40131422 is a wasteful number, since it uses less digits than its factorization.

40131422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6803.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 40131422 is about 6334.9366216246. The cubic root of 40131422 is about 342.3693273158.

Adding to 40131422 its reverse (22413104), we get a palindrome (62544526).

The spelling of 40131422 in words is "forty million, one hundred thirty-one thousand, four hundred twenty-two".