22215451222 has 4 divisors (see below), whose sum is σ = 33323176836. Its totient is φ = 11107725610.

The previous prime is 22215451201. The next prime is 22215451231.

22215451222 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×22215451222² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5553862804 + ... + 5553862807.

It is an arithmetic number, because the mean of its divisors is an integer number (8330794209).

Almost surely, 2^22215451222 is an apocalyptic number.

22215451222 is a deficient number, since it is larger than the sum of its proper divisors (11107725614).

22215451222 is a wasteful number, since it uses less digits than its factorization.

22215451222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11107725613.

The product of its digits is 6400, while the sum is 28.

The spelling of 22215451222 in words is "twenty-two billion, two hundred fifteen million, four hundred fifty-one thousand, two hundred twenty-two".