40222442222 has 4 divisors (see below), whose sum is σ = 60333663336. Its totient is φ = 20111221110.

The previous prime is 40222442201. The next prime is 40222442261. The reversal of 40222442222 is 22224422204.

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 = 40222442191 and 40222442200.

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, 10055610554 + ... + 10055610557.

It is an arithmetic number, because the mean of its divisors is an integer number (15083415834).

Almost surely, 2^40222442222 is an apocalyptic number.

40222442222 is a deficient number, since it is larger than the sum of its proper divisors (20111221114).

40222442222 is a wasteful number, since it uses less digits than its factorization.

40222442222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20111221113.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 40222442222 its reverse (22224422204), we get a palindrome (62446864426).

The spelling of 40222442222 in words is "forty billion, two hundred twenty-two million, four hundred forty-two thousand, two hundred twenty-two".