40622131 has 8 divisors (see below), whose sum is σ = 44411904. Its totient is φ = 36848520.

The previous prime is 40622123. The next prime is 40622159. The reversal of 40622131 is 13122604.

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

It is a cyclic number.

It is not a de Polignac number, because 40622131 - 2³ = 40622123 is a prime.

It is a super-2 number, since 2×40622131² = 3300315053962322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40622099 and 40622108.

It is not an unprimeable number, because it can be changed into a prime (40622111) 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, 1566 + ... + 9148.

It is an arithmetic number, because the mean of its divisors is an integer number (5551488).

Almost surely, 2^40622131 is an apocalyptic number.

40622131 is a deficient number, since it is larger than the sum of its proper divisors (3789773).

40622131 is a wasteful number, since it uses less digits than its factorization.

40622131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8081.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 40622131 is about 6373.5493251406. The cubic root of 40622131 is about 343.7591241215.

Adding to 40622131 its reverse (13122604), we get a palindrome (53744735).

The spelling of 40622131 in words is "forty million, six hundred twenty-two thousand, one hundred thirty-one".