40472422 has 16 divisors (see below), whose sum is σ = 63608832. Its totient is φ = 19289160.

The previous prime is 40472353. The next prime is 40472447. The reversal of 40472422 is 22427404.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718 + ... + 9025.

It is an arithmetic number, because the mean of its divisors is an integer number (3975552).

Almost surely, 2^40472422 is an apocalyptic number.

40472422 is a deficient number, since it is larger than the sum of its proper divisors (23136410).

40472422 is a wasteful number, since it uses less digits than its factorization.

40472422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9843.

The product of its (nonzero) digits is 3584, while the sum is 25.

The square root of 40472422 is about 6361.7939293882. The cubic root of 40472422 is about 343.3363070929.

Adding to 40472422 its reverse (22427404), we get a palindrome (62899826).

The spelling of 40472422 in words is "forty million, four hundred seventy-two thousand, four hundred twenty-two".