40222345 has 8 divisors (see below), whose sum is σ = 49824000. Its totient is φ = 31139760.

The previous prime is 40222337. The next prime is 40222349. The reversal of 40222345 is 54322204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40222345 - 2³ = 40222337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40222349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129595 + ... + 129904.

It is an arithmetic number, because the mean of its divisors is an integer number (6228000).

Almost surely, 2^40222345 is an apocalyptic number.

It is an amenable number.

40222345 is a deficient number, since it is larger than the sum of its proper divisors (9601655).

40222345 is a wasteful number, since it uses less digits than its factorization.

40222345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259535.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 40222345 is about 6342.1088763912. The cubic root of 40222345 is about 342.6276931649.

Adding to 40222345 its reverse (54322204), we get a palindrome (94544549).

The spelling of 40222345 in words is "forty million, two hundred twenty-two thousand, three hundred forty-five".