1222452473 has 24 divisors (see below), whose sum is σ = 1449701064. Its totient is φ = 1026122240.

The previous prime is 1222452467. The next prime is 1222452479. The reversal of 1222452473 is 3742542221.

It is an interprime number because it is at equal distance from previous prime (1222452467) and next prime (1222452479).

It can be written as a sum of positive squares in 4 ways, for example, as 153685609 + 1068766864 = 12397^2 + 32692^2 .

It is not a de Polignac number, because 1222452473 - 2¹⁸ = 1222190329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1222452479) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103415 + ... + 114627.

It is an arithmetic number, because the mean of its divisors is an integer number (60404211).

Almost surely, 2^1222452473 is an apocalyptic number.

It is an amenable number.

1222452473 is a deficient number, since it is larger than the sum of its proper divisors (227248591).

1222452473 is a wasteful number, since it uses less digits than its factorization.

1222452473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11305 (or 11294 counting only the distinct ones).

The product of its digits is 26880, while the sum is 32.

The square root of 1222452473 is about 34963.5878164699. The cubic root of 1222452473 is about 1069.2452455352.

Adding to 1222452473 its reverse (3742542221), we get a palindrome (4964994694).

The spelling of 1222452473 in words is "one billion, two hundred twenty-two million, four hundred fifty-two thousand, four hundred seventy-three".