2222545422 has 16 divisors (see below), whose sum is σ = 4706566992. Its totient is φ = 697269120.

The previous prime is 2222545421. The next prime is 2222545477. The reversal of 2222545422 is 2245452222.

It is a self number, because there is not a number n which added to its sum of digits gives 2222545422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222545421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10894729 + ... + 10894932.

It is an arithmetic number, because the mean of its divisors is an integer number (294160437).

Almost surely, 2^2222545422 is an apocalyptic number.

2222545422 is an abundant number, since it is smaller than the sum of its proper divisors (2484021570).

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

2222545422 is a wasteful number, since it uses less digits than its factorization.

2222545422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21789683.

The product of its digits is 25600, while the sum is 30.

The square root of 2222545422 is about 47143.8800057865. The cubic root of 2222545422 is about 1305.0191415404.

Adding to 2222545422 its reverse (2245452222), we get a palindrome (4467997644).

The spelling of 2222545422 in words is "two billion, two hundred twenty-two million, five hundred forty-five thousand, four hundred twenty-two".