40200222 has 16 divisors (see below), whose sum is σ = 81197712. Its totient is φ = 13267200.

The previous prime is 40200203. The next prime is 40200253. The reversal of 40200222 is 22200204.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40200198 and 40200207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32563 + ... + 33774.

It is an arithmetic number, because the mean of its divisors is an integer number (5074857).

Almost surely, 2^40200222 is an apocalyptic number.

40200222 is an abundant number, since it is smaller than the sum of its proper divisors (40997490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40200222 is a wasteful number, since it uses less digits than its factorization.

40200222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66443.

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 40200222 is about 6340.3645005630. The cubic root of 40200222 is about 342.5648645507.

Adding to 40200222 its reverse (22200204), we get a palindrome (62400426).

The spelling of 40200222 in words is "forty million, two hundred thousand, two hundred twenty-two".