1220031122 has 8 divisors (see below), whose sum is σ = 1830991500. Its totient is φ = 609700624.

The previous prime is 1220031121. The next prime is 1220031149. The reversal of 1220031122 is 2211300221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1146431881 + 73599241 = 33859^2 + 8579^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1220031097 and 1220031106.

It is not an unprimeable number, because it can be changed into a prime (1220031121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152597 + ... + 160392.

Almost surely, 2^1220031122 is an apocalyptic number.

1220031122 is a deficient number, since it is larger than the sum of its proper divisors (610960378).

1220031122 is a wasteful number, since it uses less digits than its factorization.

1220031122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314940.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1220031122 is about 34928.9439004388. The cubic root of 1220031122 is about 1068.5388160777.

Adding to 1220031122 its reverse (2211300221), we get a palindrome (3431331343).

The spelling of 1220031122 in words is "one billion, two hundred twenty million, thirty-one thousand, one hundred twenty-two".