1223222302 has 8 divisors (see below), whose sum is σ = 1835241912. Its totient is φ = 611475000.

The previous prime is 1223222281. The next prime is 1223222309. The reversal of 1223222302 is 2032223221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1223222302² = 2992545600220358408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1223222302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223222309) 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, 56449 + ... + 75052.

It is an arithmetic number, because the mean of its divisors is an integer number (229405239).

Almost surely, 2^1223222302 is an apocalyptic number.

1223222302 is a deficient number, since it is larger than the sum of its proper divisors (612019610).

1223222302 is a wasteful number, since it uses less digits than its factorization.

1223222302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136154.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1223222302 is about 34974.5950941537. The cubic root of 1223222302 is about 1069.4696477891.

Adding to 1223222302 its reverse (2032223221), we get a palindrome (3255445523).

The spelling of 1223222302 in words is "one billion, two hundred twenty-three million, two hundred twenty-two thousand, three hundred two".