40685722 has 32 divisors (see below), whose sum is σ = 76406400. Its totient is φ = 15785280.

The previous prime is 40685713. The next prime is 40685731. The reversal of 40685722 is 22758604.

It is an interprime number because it is at equal distance from previous prime (40685713) and next prime (40685731).

It is a super-2 number, since 2×40685722² = 3310655949322568, which contains 22 as substring.

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, 53368 + ... + 54124.

It is an arithmetic number, because the mean of its divisors is an integer number (2387700).

Almost surely, 2^40685722 is an apocalyptic number.

40685722 is a deficient number, since it is larger than the sum of its proper divisors (35720678).

40685722 is a wasteful number, since it uses less digits than its factorization.

40685722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 40685722 is about 6378.5360389356. The cubic root of 40685722 is about 343.9384072617.

The spelling of 40685722 in words is "forty million, six hundred eighty-five thousand, seven hundred twenty-two".