102222219 has 16 divisors (see below), whose sum is σ = 150482304. Its totient is φ = 61204800.

The previous prime is 102222209. The next prime is 102222233. The reversal of 102222219 is 912222201.

It is a happy number.

It is not a de Polignac number, because 102222219 - 2⁸ = 102221963 is a prime.

It is a super-2 number, since 2×102222219² = 20898764114567922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102222195 and 102222204.

It is not an unprimeable number, because it can be changed into a prime (102222209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15922 + ... + 21399.

It is an arithmetic number, because the mean of its divisors is an integer number (9405144).

Almost surely, 2^102222219 is an apocalyptic number.

102222219 is a deficient number, since it is larger than the sum of its proper divisors (48260085).

102222219 is a wasteful number, since it uses less digits than its factorization.

102222219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37418.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 102222219 is about 10110.5004327185. The cubic root of 102222219 is about 467.5719339871.

The spelling of 102222219 in words is "one hundred two million, two hundred twenty-two thousand, two hundred nineteen".