8101022222 has 4 divisors (see below), whose sum is σ = 12151533336. Its totient is φ = 4050511110.

The previous prime is 8101022173. The next prime is 8101022243. The reversal of 8101022222 is 2222201018.

It is a happy number.

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

It is a super-2 number, since 2×8101022222² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8101022194 and 8101022203.

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, 2025255554 + ... + 2025255557.

It is an arithmetic number, because the mean of its divisors is an integer number (3037883334).

Almost surely, 2^8101022222 is an apocalyptic number.

8101022222 is a deficient number, since it is larger than the sum of its proper divisors (4050511114).

8101022222 is a wasteful number, since it uses less digits than its factorization.

8101022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4050511113.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 8101022222 is about 90005.6788319493. The cubic root of 8101022222 is about 2008.3833292964.

The spelling of 8101022222 in words is "eight billion, one hundred one million, twenty-two thousand, two hundred twenty-two".