1222267031 has 16 divisors (see below), whose sum is σ = 1307275200. Its totient is φ = 1140652800.

The previous prime is 1222267019. The next prime is 1222267043. The reversal of 1222267031 is 1307622221.

It is an interprime number because it is at equal distance from previous prime (1222267019) and next prime (1222267043).

It is not a de Polignac number, because 1222267031 - 2¹⁴ = 1222250647 is a prime.

It is a super-2 number, since 2×1222267031² = 2987873390139109922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222267531) 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, 124886 + ... + 134316.

It is an arithmetic number, because the mean of its divisors is an integer number (81704700).

Almost surely, 2^1222267031 is an apocalyptic number.

1222267031 is a deficient number, since it is larger than the sum of its proper divisors (85008169).

1222267031 is a wasteful number, since it uses less digits than its factorization.

1222267031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9610.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 1222267031 is about 34960.9357855307. The cubic root of 1222267031 is about 1069.1911758110.

Adding to 1222267031 its reverse (1307622221), we get a palindrome (2529889252).

The spelling of 1222267031 in words is "one billion, two hundred twenty-two million, two hundred sixty-seven thousand, thirty-one".