40220582 has 8 divisors (see below), whose sum is σ = 60370752. Its totient is φ = 20097000.

The previous prime is 40220581. The next prime is 40220599. The reversal of 40220582 is 28502204.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40220581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2294 + ... + 9257.

It is an arithmetic number, because the mean of its divisors is an integer number (7546344).

Almost surely, 2^40220582 is an apocalyptic number.

40220582 is a deficient number, since it is larger than the sum of its proper divisors (20150170).

40220582 is a wasteful number, since it uses less digits than its factorization.

40220582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13294.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 40220582 is about 6341.9698832461. The cubic root of 40220582 is about 342.6226871461.

Adding to 40220582 its reverse (28502204), we get a palindrome (68722786).

The spelling of 40220582 in words is "forty million, two hundred twenty thousand, five hundred eighty-two".