40222064 has 20 divisors (see below), whose sum is σ = 78286656. Its totient is φ = 20019072.

The previous prime is 40222057. The next prime is 40222067. The reversal of 40222064 is 46022204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40222067) 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, 2069 + ... + 9204.

Almost surely, 2^40222064 is an apocalyptic number.

It is an amenable number.

40222064 is a deficient number, since it is larger than the sum of its proper divisors (38064592).

40222064 is a wasteful number, since it uses less digits than its factorization.

40222064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11504 (or 11498 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 40222064 is about 6342.0867228382. The cubic root of 40222064 is about 342.6268952783.

Adding to 40222064 its reverse (46022204), we get a palindrome (86244268).

The spelling of 40222064 in words is "forty million, two hundred twenty-two thousand, sixty-four".