40222899 has 10 divisors (see below), whose sum is σ = 60086180. Its totient is φ = 26815212.

The previous prime is 40222873. The next prime is 40222907. The reversal of 40222899 is 99822204.

It is not a de Polignac number, because 40222899 - 2⁸ = 40222643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40222859) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 248209 + ... + 248370.

It is an arithmetic number, because the mean of its divisors is an integer number (6008618).

Almost surely, 2^40222899 is an apocalyptic number.

40222899 is a deficient number, since it is larger than the sum of its proper divisors (19863281).

40222899 is an equidigital number, since it uses as much as digits as its factorization.

40222899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496591 (or 496582 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 40222899 is about 6342.1525525645. The cubic root of 40222899 is about 342.6292662115.

The spelling of 40222899 in words is "forty million, two hundred twenty-two thousand, eight hundred ninety-nine".