1222333031 has 16 divisors (see below), whose sum is σ = 1331056800. Its totient is φ = 1118143488.

The previous prime is 1222333027. The next prime is 1222333121. The reversal of 1222333031 is 1303332221.

It is a cyclic number.

It is not a de Polignac number, because 1222333031 - 2² = 1222333027 is a prime.

It is a super-2 number, since 2×1222333031² = 2988196077347293922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222332994 and 1222333012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222333531) 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, 82421 + ... + 96113.

It is an arithmetic number, because the mean of its divisors is an integer number (83191050).

Almost surely, 2^1222333031 is an apocalyptic number.

1222333031 is a deficient number, since it is larger than the sum of its proper divisors (108723769).

1222333031 is a wasteful number, since it uses less digits than its factorization.

1222333031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13858.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1222333031 is about 34961.8796834495. The cubic root of 1222333031 is about 1069.2104202003.

Adding to 1222333031 its reverse (1303332221), we get a palindrome (2525665252).

It can be divided in two parts, 12223 and 33031, that added together give a palindrome (45254).

The spelling of 1222333031 in words is "one billion, two hundred twenty-two million, three hundred thirty-three thousand, thirty-one".