40622817 has 8 divisors (see below), whose sum is σ = 57014560. Its totient is φ = 25656480.

The previous prime is 40622801. The next prime is 40622819. The reversal of 40622817 is 71822604.

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

It is not a de Polignac number, because 40622817 - 2⁴ = 40622801 is a prime.

It is a super-2 number, since 2×40622817² = 3300426522030978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40622819) 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, 356284 + ... + 356397.

It is an arithmetic number, because the mean of its divisors is an integer number (7126820).

Almost surely, 2^40622817 is an apocalyptic number.

It is an amenable number.

40622817 is a deficient number, since it is larger than the sum of its proper divisors (16391743).

40622817 is a wasteful number, since it uses less digits than its factorization.

40622817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712703.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 40622817 is about 6373.6031410812. The cubic root of 40622817 is about 343.7610591704.

The spelling of 40622817 in words is "forty million, six hundred twenty-two thousand, eight hundred seventeen".