1222232242 has 32 divisors (see below), whose sum is σ = 2287862784. Its totient is φ = 475750800.

The previous prime is 1222232239. The next prime is 1222232251. The reversal of 1222232242 is 2422322221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197617 + ... + 203707.

It is an arithmetic number, because the mean of its divisors is an integer number (71495712).

Almost surely, 2^1222232242 is an apocalyptic number.

1222232242 is a deficient number, since it is larger than the sum of its proper divisors (1065630542).

1222232242 is a wasteful number, since it uses less digits than its factorization.

1222232242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7414.

The product of its digits is 1536, while the sum is 22.

The square root of 1222232242 is about 34960.4382409603. The cubic root of 1222232242 is about 1069.1810316980.

Adding to 1222232242 its reverse (2422322221), we get a palindrome (3644554463).

The spelling of 1222232242 in words is "one billion, two hundred twenty-two million, two hundred thirty-two thousand, two hundred forty-two".