1222367523 has 16 divisors (see below), whose sum is σ = 1755833856. Its totient is φ = 751952160.

The previous prime is 1222367491. The next prime is 1222367539. The reversal of 1222367523 is 3257632221.

1222367523 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 1222367523 - 2⁵ = 1222367491 is a prime.

It is a super-2 number, since 2×1222367523² = 2988364722570311058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1222367543) 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, 175636 + ... + 182462.

It is an arithmetic number, because the mean of its divisors is an integer number (109739616).

Almost surely, 2^1222367523 is an apocalyptic number.

1222367523 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1222367523 is a deficient number, since it is larger than the sum of its proper divisors (533466333).

1222367523 is a wasteful number, since it uses less digits than its factorization.

1222367523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11434.

The product of its digits is 30240, while the sum is 33.

The square root of 1222367523 is about 34962.3729600838. The cubic root of 1222367523 is about 1069.2204771591.

Adding to 1222367523 its reverse (3257632221), we get a palindrome (4479999744).

The spelling of 1222367523 in words is "one billion, two hundred twenty-two million, three hundred sixty-seven thousand, five hundred twenty-three".