40221895 has 32 divisors (see below), whose sum is σ = 57600000. Its totient is φ = 26939808.

The previous prime is 40221889. The next prime is 40221913. The reversal of 40221895 is 59812204.

It is not a de Polignac number, because 40221895 - 2³ = 40221887 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80356 + ... + 80854.

It is an arithmetic number, because the mean of its divisors is an integer number (1800000).

Almost surely, 2^40221895 is an apocalyptic number.

40221895 is a deficient number, since it is larger than the sum of its proper divisors (17378105).

40221895 is an equidigital number, since it uses as much as digits as its factorization.

40221895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572 (or 558 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 40221895 is about 6342.0733991338. The cubic root of 40221895 is about 342.6264154088.

The spelling of 40221895 in words is "forty million, two hundred twenty-one thousand, eight hundred ninety-five".