1222101983 has 4 divisors (see below), whose sum is σ = 1286423160. Its totient is φ = 1157780808.

The previous prime is 1222101961. The next prime is 1222101989. The reversal of 1222101983 is 3891012221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3891012221 = 227 ⋅17141023.

It is not a de Polignac number, because 1222101983 - 2²² = 1217907679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222101989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32160560 + ... + 32160597.

It is an arithmetic number, because the mean of its divisors is an integer number (321605790).

Almost surely, 2^1222101983 is an apocalyptic number.

1222101983 is a deficient number, since it is larger than the sum of its proper divisors (64321177).

1222101983 is an equidigital number, since it uses as much as digits as its factorization.

1222101983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64321176.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1222101983 is about 34958.5752427069. The cubic root of 1222101983 is about 1069.1430478094.

The spelling of 1222101983 in words is "one billion, two hundred twenty-two million, one hundred one thousand, nine hundred eighty-three".