40225873 has 4 divisors (see below), whose sum is σ = 41974848. Its totient is φ = 38476900.

The previous prime is 40225849. The next prime is 40225891. The reversal of 40225873 is 37852204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40225873 - 2⁵ = 40225841 is a prime.

It is a super-2 number, since 2×40225873² = 3236241717224258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40222873) 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, 874453 + ... + 874498.

It is an arithmetic number, because the mean of its divisors is an integer number (10493712).

Almost surely, 2^40225873 is an apocalyptic number.

It is an amenable number.

40225873 is a deficient number, since it is larger than the sum of its proper divisors (1748975).

40225873 is a wasteful number, since it uses less digits than its factorization.

40225873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1748974.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 40225873 is about 6342.3870112127. The cubic root of 40225873 is about 342.6377104423.

The spelling of 40225873 in words is "forty million, two hundred twenty-five thousand, eight hundred seventy-three".