1222250444 has 6 divisors (see below), whose sum is σ = 2138938284. Its totient is φ = 611125220.

The previous prime is 1222250441. The next prime is 1222250507. The reversal of 1222250444 is 4440522221.

It is a super-2 number, since 2×1222250444² = 2987792295716394272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1222250441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152781302 + ... + 152781309.

It is an arithmetic number, because the mean of its divisors is an integer number (356489714).

Almost surely, 2^1222250444 is an apocalyptic number.

It is an amenable number.

1222250444 is a deficient number, since it is larger than the sum of its proper divisors (916687840).

1222250444 is a wasteful number, since it uses less digits than its factorization.

1222250444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305562615 (or 305562613 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 1222250444 is about 34960.6985628148. The cubic root of 1222250444 is about 1069.1863392372.

Adding to 1222250444 its reverse (4440522221), we get a palindrome (5662772665).

The spelling of 1222250444 in words is "one billion, two hundred twenty-two million, two hundred fifty thousand, four hundred forty-four".