223451469 has 12 divisors (see below), whose sum is σ = 323868636. Its totient is φ = 148457472.

The previous prime is 223451453. The next prime is 223451497. The reversal of 223451469 is 964154322.

It is a happy number.

223451469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 192515625 + 30935844 = 13875^2 + 5562^2 .

It is not a de Polignac number, because 223451469 - 2⁴ = 223451453 is a prime.

It is a super-2 number, since 2×223451469² = 99861117996515922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223451269) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39732 + ... + 45005.

It is an arithmetic number, because the mean of its divisors is an integer number (26989053).

Almost surely, 2^223451469 is an apocalyptic number.

It is an amenable number.

223451469 is a deficient number, since it is larger than the sum of its proper divisors (100417167).

223451469 is a wasteful number, since it uses less digits than its factorization.

223451469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85036 (or 85033 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 223451469 is about 14948.2931801594. The cubic root of 223451469 is about 606.8216560826.

The spelling of 223451469 in words is "two hundred twenty-three million, four hundred fifty-one thousand, four hundred sixty-nine".