40442002222 has 4 divisors (see below), whose sum is σ = 60663003336. Its totient is φ = 20221001110.

The previous prime is 40442002217. The next prime is 40442002261. The reversal of 40442002222 is 22220024404.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 40442002193 and 40442002202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110500554 + ... + 10110500557.

It is an arithmetic number, because the mean of its divisors is an integer number (15165750834).

Almost surely, 2^40442002222 is an apocalyptic number.

40442002222 is a deficient number, since it is larger than the sum of its proper divisors (20221001114).

40442002222 is a wasteful number, since it uses less digits than its factorization.

40442002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20221001113.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 40442002222 its reverse (22220024404), we get a palindrome (62662026626).

The spelling of 40442002222 in words is "forty billion, four hundred forty-two million, two thousand, two hundred twenty-two".