10021223222 has 8 divisors (see below), whose sum is σ = 15034414536. Its totient is φ = 5009751712.

The previous prime is 10021223221. The next prime is 10021223231. The reversal of 10021223222 is 22232212001.

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

It is a super-2 number, since 2×10021223222² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10021223222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021223221) 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, 415283 + ... + 438750.

It is an arithmetic number, because the mean of its divisors is an integer number (1879301817).

Almost surely, 2^10021223222 is an apocalyptic number.

10021223222 is a deficient number, since it is larger than the sum of its proper divisors (5013191314).

10021223222 is an equidigital number, since it uses as much as digits as its factorization.

10021223222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859902.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 10021223222 its reverse (22232212001), we get a palindrome (32253435223).

The spelling of 10021223222 in words is "ten billion, twenty-one million, two hundred twenty-three thousand, two hundred twenty-two".