23469220 has 24 divisors (see below), whose sum is σ = 50489208. Its totient is φ = 9158400.

The previous prime is 23469217. The next prime is 23469221. The reversal of 23469220 is 2296432.

It can be written as a sum of positive squares in 4 ways, for example, as 2143296 + 21325924 = 1464^2 + 4618^2 .

It is not an unprimeable number, because it can be changed into a prime (23469221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13491 + ... + 15130.

It is an arithmetic number, because the mean of its divisors is an integer number (2103717).

Almost surely, 2^23469220 is an apocalyptic number.

23469220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23469220 is an abundant number, since it is smaller than the sum of its proper divisors (27019988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23469220 is a wasteful number, since it uses less digits than its factorization.

23469220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28671 (or 28669 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 23469220 is about 4844.5041025888. The cubic root of 23469220 is about 286.3076058559.

The spelling of 23469220 in words is "twenty-three million, four hundred sixty-nine thousand, two hundred twenty".