2546622243 has 24 divisors (see below), whose sum is σ = 4024478016. Its totient is φ = 1538938800.

The previous prime is 2546622227. The next prime is 2546622257. The reversal of 2546622243 is 3422266452.

2546622243 is a `hidden beast` number, since 2 + 5 + 4 + 6 + 622 + 24 + 3 = 666.

It is not a de Polignac number, because 2546622243 - 2⁴ = 2546622227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2546622198 and 2546622207.

It is not an unprimeable number, because it can be changed into a prime (2546622223) 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, 2713 + ... + 71418.

It is an arithmetic number, because the mean of its divisors is an integer number (167686584).

Almost surely, 2^2546622243 is an apocalyptic number.

2546622243 is a deficient number, since it is larger than the sum of its proper divisors (1477855773).

2546622243 is a wasteful number, since it uses less digits than its factorization.

2546622243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74495 (or 74492 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The square root of 2546622243 is about 50464.0688311991. The cubic root of 2546622243 is about 1365.5937150752.

Adding to 2546622243 its reverse (3422266452), we get a palindrome (5968888695).

The spelling of 2546622243 in words is "two billion, five hundred forty-six million, six hundred twenty-two thousand, two hundred forty-three".