1220222095 has 4 divisors (see below), whose sum is σ = 1464266520. Its totient is φ = 976177672.

The previous prime is 1220222063. The next prime is 1220222119. The reversal of 1220222095 is 5902220221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5902220221 = 83 ⋅71111087.

It is a cyclic number.

It is not a de Polignac number, because 1220222095 - 2⁵ = 1220222063 is a prime.

It is a super-2 number, since 2×1220222095² = 2977883922252378050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122022205 + ... + 122022214.

It is an arithmetic number, because the mean of its divisors is an integer number (366066630).

Almost surely, 2^1220222095 is an apocalyptic number.

1220222095 is a deficient number, since it is larger than the sum of its proper divisors (244044425).

1220222095 is an equidigital number, since it uses as much as digits as its factorization.

1220222095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244044424.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1220222095 is about 34931.6775291425. The cubic root of 1220222095 is about 1068.5945664088.

The spelling of 1220222095 in words is "one billion, two hundred twenty million, two hundred twenty-two thousand, ninety-five".