40209922 has 8 divisors (see below), whose sum is σ = 60367356. Its totient is φ = 20087472.

The previous prime is 40209901. The next prime is 40209943. The reversal of 40209922 is 22990204.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40209901) and next prime (40209943).

It can be written as a sum of positive squares in 2 ways, for example, as 38081241 + 2128681 = 6171^2 + 1459^2 .

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

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, 5653 + ... + 10600.

Almost surely, 2^40209922 is an apocalyptic number.

40209922 is a deficient number, since it is larger than the sum of its proper divisors (20157434).

40209922 is a wasteful number, since it uses less digits than its factorization.

40209922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17492.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 40209922 is about 6341.1293946741. The cubic root of 40209922 is about 342.5924150782.

The spelling of 40209922 in words is "forty million, two hundred nine thousand, nine hundred twenty-two".