22222072476 has 36 divisors (see below), whose sum is σ = 56185372152. Its totient is φ = 7405654944.

The previous prime is 22222072463. The next prime is 22222072489. The reversal of 22222072476 is 67427022222.

It is an interprime number because it is at equal distance from previous prime (22222072463) and next prime (22222072489).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22222072476.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93055 + ... + 230441.

It is an arithmetic number, because the mean of its divisors is an integer number (1560704782).

Almost surely, 2^22222072476 is an apocalyptic number.

It is an amenable number.

22222072476 is an abundant number, since it is smaller than the sum of its proper divisors (33963299676).

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

22222072476 is a wasteful number, since it uses less digits than its factorization.

22222072476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141890 (or 141885 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 36.

Adding to 22222072476 its reverse (67427022222), we get a palindrome (89649094698).

The spelling of 22222072476 in words is "twenty-two billion, two hundred twenty-two million, seventy-two thousand, four hundred seventy-six".