1222301238 has 16 divisors (see below), whose sum is σ = 2444976576. Its totient is φ = 407371400.

The previous prime is 1222301237. The next prime is 1222301239. The reversal of 1222301238 is 8321032221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1222301237) and next prime (1222301239).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222301237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45013 + ... + 66863.

It is an arithmetic number, because the mean of its divisors is an integer number (152811036).

Almost surely, 2^1222301238 is an apocalyptic number.

1222301238 is an abundant number, since it is smaller than the sum of its proper divisors (1222675338).

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

1222301238 is a wasteful number, since it uses less digits than its factorization.

1222301238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31179.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1222301238 is about 34961.4249995620. The cubic root of 1222301238 is about 1069.2011500312.

Adding to 1222301238 its reverse (8321032221), we get a palindrome (9543333459).

The spelling of 1222301238 in words is "one billion, two hundred twenty-two million, three hundred one thousand, two hundred thirty-eight".