22221110222010 has 48 divisors (see below), whose sum is σ = 66028441804416. Its totient is φ = 5079110907744.

The previous prime is 22221110221987. The next prime is 22221110222099. The reversal of 22221110222010 is 1022201112222.

It is a happy number.

22221110222010 is a `hidden beast` number, since 222 + 211 + 1 + 0 + 2 + 220 + 10 = 666.

It is a super-2 number, since 2×22221110222010² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17635801134 + ... + 17635802393.

It is an arithmetic number, because the mean of its divisors is an integer number (1375592537592).

Almost surely, 2^{22221110222010} is an apocalyptic number.

22221110222010 is an abundant number, since it is smaller than the sum of its proper divisors (43807331582406).

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

22221110222010 is a wasteful number, since it uses less digits than its factorization.

22221110222010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35271603547 (or 35271603544 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22221110222010 its reverse (1022201112222), we get a palindrome (23243311334232).

The spelling of 22221110222010 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred ten million, two hundred twenty-two thousand, ten".