22233220990 has 8 divisors (see below), whose sum is σ = 40019797800. Its totient is φ = 8893288392.

The previous prime is 22233220981. The next prime is 22233220991. The reversal of 22233220990 is 9902233222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22233220990² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22233220991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1111661040 + ... + 1111661059.

It is an arithmetic number, because the mean of its divisors is an integer number (5002474725).

Almost surely, 2^22233220990 is an apocalyptic number.

22233220990 is a deficient number, since it is larger than the sum of its proper divisors (17786576810).

22233220990 is a wasteful number, since it uses less digits than its factorization.

22233220990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223322106.

The product of its (nonzero) digits is 23328, while the sum is 34.

The spelling of 22233220990 in words is "twenty-two billion, two hundred thirty-three million, two hundred twenty thousand, nine hundred ninety".