40915222 has 8 divisors (see below), whose sum is σ = 61502400. Its totient is φ = 20414424.

The previous prime is 40915219. The next prime is 40915247. The reversal of 40915222 is 22251904.

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

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, 20397 + ... + 22312.

It is an arithmetic number, because the mean of its divisors is an integer number (7687800).

Almost surely, 2^40915222 is an apocalyptic number.

40915222 is a deficient number, since it is larger than the sum of its proper divisors (20587178).

40915222 is a wasteful number, since it uses less digits than its factorization.

40915222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43190.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 40915222 is about 6396.5007621355. The cubic root of 40915222 is about 344.5838909618.

The spelling of 40915222 in words is "forty million, nine hundred fifteen thousand, two hundred twenty-two".