1222895835 has 48 divisors (see below), whose sum is σ = 2456663040. Its totient is φ = 551154240.

The previous prime is 1222895819. The next prime is 1222895887. The reversal of 1222895835 is 5385982221.

It is not a de Polignac number, because 1222895835 - 2⁴ = 1222895819 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4975 + ... + 49704.

It is an arithmetic number, because the mean of its divisors is an integer number (51180480).

Almost surely, 2^1222895835 is an apocalyptic number.

1222895835 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1222895835 is an abundant number, since it is smaller than the sum of its proper divisors (1233767205).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222895835 is a wasteful number, since it uses less digits than its factorization.

1222895835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54768 (or 54765 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 1222895835 is about 34969.9275807085. The cubic root of 1222895835 is about 1069.3744953891.

The spelling of 1222895835 in words is "one billion, two hundred twenty-two million, eight hundred ninety-five thousand, eight hundred thirty-five".