1222031013 has 16 divisors (see below), whose sum is σ = 1885716480. Its totient is φ = 689463216.

The previous prime is 1222031003. The next prime is 1222031039. The reversal of 1222031013 is 3101302221.

It is not a de Polignac number, because 1222031013 - 2⁶ = 1222030949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222030983 and 1222031001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222031003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366645 + ... + 369962.

It is an arithmetic number, because the mean of its divisors is an integer number (117857280).

Almost surely, 2^1222031013 is an apocalyptic number.

It is an amenable number.

1222031013 is a deficient number, since it is larger than the sum of its proper divisors (663685467).

1222031013 is an equidigital number, since it uses as much as digits as its factorization.

1222031013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736696.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1222031013 is about 34957.5601694397. The cubic root of 1222031013 is about 1069.1223516231.

Adding to 1222031013 its reverse (3101302221), we get a palindrome (4323333234).

The spelling of 1222031013 in words is "one billion, two hundred twenty-two million, thirty-one thousand, thirteen".