1220031422 has 8 divisors (see below), whose sum is σ = 1840271400. Its totient is φ = 606607624.

The previous prime is 1220031413. The next prime is 1220031437. The reversal of 1220031422 is 2241300221.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1220031422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1703597 + ... + 1704312.

It is an arithmetic number, because the mean of its divisors is an integer number (230033925).

Almost surely, 2^1220031422 is an apocalyptic number.

1220031422 is a deficient number, since it is larger than the sum of its proper divisors (620239978).

1220031422 is a wasteful number, since it uses less digits than its factorization.

1220031422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3408090.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1220031422 is about 34928.9481948713. The cubic root of 1220031422 is about 1068.5389036606.

Adding to 1220031422 its reverse (2241300221), we get a palindrome (3461331643).

The spelling of 1220031422 in words is "one billion, two hundred twenty million, thirty-one thousand, four hundred twenty-two".