1222311002 has 16 divisors (see below), whose sum is σ = 2105416800. Its totient is φ = 526353840.

The previous prime is 1222310977. The next prime is 1222311017. The reversal of 1222311002 is 2001132221.

It is a happy number.

It is a super-2 number, since 2×1222311002² = 2988088371220488008, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1461677 + ... + 1462512.

It is an arithmetic number, because the mean of its divisors is an integer number (131588550).

Almost surely, 2^1222311002 is an apocalyptic number.

1222311002 is a deficient number, since it is larger than the sum of its proper divisors (883105798).

1222311002 is a wasteful number, since it uses less digits than its factorization.

1222311002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2924221.

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

The square root of 1222311002 is about 34961.5646389002. The cubic root of 1222311002 is about 1069.2039970250.

Adding to 1222311002 its reverse (2001132221), we get a palindrome (3223443223).

The spelling of 1222311002 in words is "one billion, two hundred twenty-two million, three hundred eleven thousand, two".