22122222436 has 12 divisors (see below), whose sum is σ = 38748995712. Its totient is φ = 11051080808.

The previous prime is 22122222403. The next prime is 22122222469. The reversal of 22122222436 is 63422222122.

It is an interprime number because it is at equal distance from previous prime (22122222403) and next prime (22122222469).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2502640 + ... + 2511463.

It is an arithmetic number, because the mean of its divisors is an integer number (3229082976).

Almost surely, 2^22122222436 is an apocalyptic number.

It is an amenable number.

22122222436 is a deficient number, since it is larger than the sum of its proper divisors (16626773276).

22122222436 is a wasteful number, since it uses less digits than its factorization.

22122222436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5015210 (or 5015208 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

Adding to 22122222436 its reverse (63422222122), we get a palindrome (85544444558).

The spelling of 22122222436 in words is "twenty-two billion, one hundred twenty-two million, two hundred twenty-two thousand, four hundred thirty-six".