40622172 has 12 divisors (see below), whose sum is σ = 94785096. Its totient is φ = 13540720.

The previous prime is 40622159. The next prime is 40622207. The reversal of 40622172 is 27122604.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1692579 + ... + 1692602.

It is an arithmetic number, because the mean of its divisors is an integer number (7898758).

Almost surely, 2^40622172 is an apocalyptic number.

It is an amenable number.

40622172 is an abundant number, since it is smaller than the sum of its proper divisors (54162924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40622172 is a wasteful number, since it uses less digits than its factorization.

40622172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3385188 (or 3385186 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 40622172 is about 6373.5525415580. The cubic root of 40622172 is about 343.7592397737.

Adding to 40622172 its reverse (27122604), we get a palindrome (67744776).

It can be divided in two parts, 406 and 22172, that added together give a triangular number (22578 = T₂₁₂).

The spelling of 40622172 in words is "forty million, six hundred twenty-two thousand, one hundred seventy-two".