1222195773 has 32 divisors (see below), whose sum is σ = 1772789760. Its totient is φ = 745943040.

The previous prime is 1222195771. The next prime is 1222195811. The reversal of 1222195773 is 3775912221.

1222195773 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1222195773 - 2¹ = 1222195771 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222195771) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 954948 + ... + 956226.

It is an arithmetic number, because the mean of its divisors is an integer number (55399680).

Almost surely, 2^1222195773 is an apocalyptic number.

It is an amenable number.

1222195773 is a deficient number, since it is larger than the sum of its proper divisors (550593987).

1222195773 is a wasteful number, since it uses less digits than its factorization.

1222195773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797.

The product of its digits is 52920, while the sum is 39.

The square root of 1222195773 is about 34959.9166618000. The cubic root of 1222195773 is about 1069.1703975077.

The spelling of 1222195773 in words is "one billion, two hundred twenty-two million, one hundred ninety-five thousand, seven hundred seventy-three".