40722722 has 8 divisors (see below), whose sum is σ = 61171200. Its totient is φ = 20332324.

The previous prime is 40722713. The next prime is 40722733. The reversal of 40722722 is 22722704.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 40722691 and 40722700.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12722 + ... + 15597.

It is an arithmetic number, because the mean of its divisors is an integer number (7646400).

Almost surely, 2^40722722 is an apocalyptic number.

40722722 is a deficient number, since it is larger than the sum of its proper divisors (20448478).

40722722 is a wasteful number, since it uses less digits than its factorization.

40722722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29040.

The product of its (nonzero) digits is 3136, while the sum is 26.

The square root of 40722722 is about 6381.4357318710. The cubic root of 40722722 is about 344.0426360080.

The spelling of 40722722 in words is "forty million, seven hundred twenty-two thousand, seven hundred twenty-two".