1222523995 has 32 divisors (see below), whose sum is σ = 1846840320. Its totient is φ = 754669440.

The previous prime is 1222523987. The next prime is 1222523999. The reversal of 1222523995 is 5993252221.

It is not a de Polignac number, because 1222523995 - 2³ = 1222523987 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1222523999) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 24241 + ... + 55069.

It is an arithmetic number, because the mean of its divisors is an integer number (57713760).

Almost surely, 2^1222523995 is an apocalyptic number.

1222523995 is a deficient number, since it is larger than the sum of its proper divisors (624316325).

1222523995 is a wasteful number, since it uses less digits than its factorization.

1222523995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30955.

The product of its digits is 97200, while the sum is 40.

The square root of 1222523995 is about 34964.6106084424. The cubic root of 1222523995 is about 1069.2660978979.

The spelling of 1222523995 in words is "one billion, two hundred twenty-two million, five hundred twenty-three thousand, nine hundred ninety-five".