40022902 has 8 divisors (see below), whose sum is σ = 60319512. Its totient is φ = 19916400.

The previous prime is 40022887. The next prime is 40022903. The reversal of 40022902 is 20922004.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 40022902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40022903) 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, 46999 + ... + 47842.

It is an arithmetic number, because the mean of its divisors is an integer number (7539939).

Almost surely, 2^40022902 is an apocalyptic number.

40022902 is a deficient number, since it is larger than the sum of its proper divisors (20296610).

40022902 is a wasteful number, since it uses less digits than its factorization.

40022902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95054.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 40022902 is about 6326.3656233259. The cubic root of 40022902 is about 342.0604466644.

Adding to 40022902 its reverse (20922004), we get a palindrome (60944906).

The spelling of 40022902 in words is "forty million, twenty-two thousand, nine hundred two".