40226245 has 4 divisors (see below), whose sum is σ = 48271500. Its totient is φ = 32180992.

The previous prime is 40226239. The next prime is 40226279. The reversal of 40226245 is 54262204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10349089 + 29877156 = 3217^2 + 5466^2 .

It is a cyclic number.

It is not a de Polignac number, because 40226245 - 2³ = 40226237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4022620 + ... + 4022629.

It is an arithmetic number, because the mean of its divisors is an integer number (12067875).

Almost surely, 2^40226245 is an apocalyptic number.

It is an amenable number.

40226245 is a deficient number, since it is larger than the sum of its proper divisors (8045255).

40226245 is an equidigital number, since it uses as much as digits as its factorization.

40226245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8045254.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 40226245 is about 6342.4163376429. The cubic root of 40226245 is about 342.6387666517.

Adding to 40226245 its reverse (54262204), we get a palindrome (94488449).

The spelling of 40226245 in words is "forty million, two hundred twenty-six thousand, two hundred forty-five".