1222222095 has 64 divisors (see below), whose sum is σ = 2235340800. Its totient is φ = 633242880.

The previous prime is 1222222091. The next prime is 1222222097. The reversal of 1222222095 is 5902222221.

It is not a de Polignac number, because 1222222095 - 2² = 1222222091 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222222091) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2429614 + ... + 2430116.

It is an arithmetic number, because the mean of its divisors is an integer number (34927200).

Almost surely, 2^1222222095 is an apocalyptic number.

1222222095 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1222222095 is a deficient number, since it is larger than the sum of its proper divisors (1013118705).

1222222095 is a wasteful number, since it uses less digits than its factorization.

1222222095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997 (or 991 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1222222095 is about 34960.2931194806. The cubic root of 1222222095 is about 1069.1780729014.

The spelling of 1222222095 in words is "one billion, two hundred twenty-two million, two hundred twenty-two thousand, ninety-five".