1222200422 has 16 divisors (see below), whose sum is σ = 1935187200. Its totient is φ = 577317960.

The previous prime is 1222200407. The next prime is 1222200437. The reversal of 1222200422 is 2240022221.

It is an interprime number because it is at equal distance from previous prime (1222200407) and next prime (1222200437).

It is a self number, because there is not a number n which added to its sum of digits gives 1222200422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31154 + ... + 58437.

It is an arithmetic number, because the mean of its divisors is an integer number (120949200).

Almost surely, 2^1222200422 is an apocalyptic number.

1222200422 is a deficient number, since it is larger than the sum of its proper divisors (712986778).

1222200422 is a wasteful number, since it uses less digits than its factorization.

1222200422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89971.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 1222200422 is about 34959.9831521699. The cubic root of 1222200422 is about 1069.1717531462.

Adding to 1222200422 its reverse (2240022221), we get a palindrome (3462222643).

The spelling of 1222200422 in words is "one billion, two hundred twenty-two million, two hundred thousand, four hundred twenty-two".