1222211095 has 16 divisors (see below), whose sum is σ = 1676743488. Its totient is φ = 837803520.

The previous prime is 1222211093. The next prime is 1222211129. The reversal of 1222211095 is 5901122221.

It is not a de Polignac number, because 1222211095 - 2¹ = 1222211093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222211093) 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, 192207 + ... + 198463.

It is an arithmetic number, because the mean of its divisors is an integer number (104796468).

Almost surely, 2^1222211095 is an apocalyptic number.

1222211095 is a deficient number, since it is larger than the sum of its proper divisors (454532393).

1222211095 is an equidigital number, since it uses as much as digits as its factorization.

1222211095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11850.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 1222211095 is about 34960.1357977912. The cubic root of 1222211095 is about 1069.1748653572.

The spelling of 1222211095 in words is "one billion, two hundred twenty-two million, two hundred eleven thousand, ninety-five".