40642022222 has 8 divisors (see below), whose sum is σ = 60969706776. Its totient is φ = 20318786632.

The previous prime is 40642022207. The next prime is 40642022227. The reversal of 40642022222 is 22222024604.

40642022222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 40642022191 and 40642022200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40642022227) 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, 1089308 + ... + 1125999.

It is an arithmetic number, because the mean of its divisors is an integer number (7621213347).

Almost surely, 2^40642022222 is an apocalyptic number.

40642022222 is a deficient number, since it is larger than the sum of its proper divisors (20327684554).

40642022222 is a wasteful number, since it uses less digits than its factorization.

40642022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224482.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 40642022222 its reverse (22222024604), we get a palindrome (62864046826).

The spelling of 40642022222 in words is "forty billion, six hundred forty-two million, twenty-two thousand, two hundred twenty-two".