2546404223 has 18 divisors (see below), whose sum is σ = 2828297136. Its totient is φ = 2290882000.

The previous prime is 2546404207. The next prime is 2546404243. The reversal of 2546404223 is 3224046452.

It is a happy number.

It is not a de Polignac number, because 2546404223 - 2⁴ = 2546404207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2546404223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2546404243) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1233290 + ... + 1235352.

Almost surely, 2^2546404223 is an apocalyptic number.

2546404223 is a deficient number, since it is larger than the sum of its proper divisors (281892913).

2546404223 is a wasteful number, since it uses less digits than its factorization.

2546404223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287 (or 2175 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

The square root of 2546404223 is about 50461.9086341371. The cubic root of 2546404223 is about 1365.5547438145.

The spelling of 2546404223 in words is "two billion, five hundred forty-six million, four hundred four thousand, two hundred twenty-three".