222221021010 has 32 divisors (see below), whose sum is σ = 544677910272. Its totient is φ = 57998110080.

The previous prime is 222221020991. The next prime is 222221021051. The reversal of 222221021010 is 10120122222.

222221021010 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×222221021010² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78800371 + ... + 78803190.

It is an arithmetic number, because the mean of its divisors is an integer number (17021184696).

Almost surely, 2^222221021010 is an apocalyptic number.

222221021010 is an abundant number, since it is smaller than the sum of its proper divisors (322456889262).

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

222221021010 is a wasteful number, since it uses less digits than its factorization.

222221021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157603618.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 222221021010 its reverse (10120122222), we get a palindrome (232341143232).

The spelling of 222221021010 in words is "two hundred twenty-two billion, two hundred twenty-one million, twenty-one thousand, ten".