2402022222 has 64 divisors (see below), whose sum is σ = 5513520960. Its totient is φ = 774738432.

The previous prime is 2402022173. The next prime is 2402022253. The reversal of 2402022222 is 2222202042.

It is a happy number.

2402022222 is a `hidden beast` number, since 240 + 202 + 2 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2402022195 and 2402022204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 203178 + ... + 214674.

It is an arithmetic number, because the mean of its divisors is an integer number (86148765).

Almost surely, 2^2402022222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2402022222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2756760480).

2402022222 is an abundant number, since it is smaller than the sum of its proper divisors (3111498738).

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

2402022222 is a wasteful number, since it uses less digits than its factorization.

2402022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11634 (or 11628 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 2402022222 is about 49010.4297267429. The cubic root of 2402022222 is about 1339.2418340531.

Adding to 2402022222 its reverse (2222202042), we get a palindrome (4624224264).

The spelling of 2402022222 in words is "two billion, four hundred two million, twenty-two thousand, two hundred twenty-two".