1222287123 has 16 divisors (see below), whose sum is σ = 1668335616. Its totient is φ = 795630720.

The previous prime is 1222287109. The next prime is 1222287139. The reversal of 1222287123 is 3217822221.

1222287123 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1222287123 - 2¹⁴ = 1222270739 is a prime.

It is a super-2 number, since 2×1222287123² = 2987971622103234258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1222287023) 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, 50715 + ... + 70827.

It is an arithmetic number, because the mean of its divisors is an integer number (104270976).

Almost surely, 2^1222287123 is an apocalyptic number.

1222287123 is a deficient number, since it is larger than the sum of its proper divisors (446048493).

1222287123 is a wasteful number, since it uses less digits than its factorization.

1222287123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20594.

The product of its digits is 5376, while the sum is 30.

The square root of 1222287123 is about 34961.2231336376. The cubic root of 1222287123 is about 1069.1970343430.

The spelling of 1222287123 in words is "one billion, two hundred twenty-two million, two hundred eighty-seven thousand, one hundred twenty-three".