1222526423 has 8 divisors (see below), whose sum is σ = 1295209728. Its totient is φ = 1149928704.

The previous prime is 1222526411. The next prime is 1222526441. The reversal of 1222526423 is 3246252221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1222526423 - 2¹⁴ = 1222510039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222526023) by changing a digit.

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, 9290 + ... + 50312.

It is an arithmetic number, because the mean of its divisors is an integer number (161901216).

Almost surely, 2^1222526423 is an apocalyptic number.

1222526423 is a deficient number, since it is larger than the sum of its proper divisors (72683305).

1222526423 is a wasteful number, since it uses less digits than its factorization.

1222526423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42793.

The product of its digits is 11520, while the sum is 29.

The square root of 1222526423 is about 34964.6453292465. The cubic root of 1222526423 is about 1069.2668057712.

Adding to 1222526423 its reverse (3246252221), we get a palindrome (4468778644).

The spelling of 1222526423 in words is "one billion, two hundred twenty-two million, five hundred twenty-six thousand, four hundred twenty-three".