40820722 has 32 divisors (see below), whose sum is σ = 66355200. Its totient is φ = 18786768.

The previous prime is 40820687. The next prime is 40820737. The reversal of 40820722 is 22702804.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170679 + ... + 170917.

It is an arithmetic number, because the mean of its divisors is an integer number (2073600).

Almost surely, 2^40820722 is an apocalyptic number.

40820722 is a deficient number, since it is larger than the sum of its proper divisors (25534478).

40820722 is a wasteful number, since it uses less digits than its factorization.

40820722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 40820722 is about 6389.1096406307. The cubic root of 40820722 is about 344.3183966200.

The spelling of 40820722 in words is "forty million, eight hundred twenty thousand, seven hundred twenty-two".