2546404222 has 4 divisors (see below), whose sum is σ = 3819606336. Its totient is φ = 1273202110.

The previous prime is 2546404207. The next prime is 2546404243. The reversal of 2546404222 is 2224046452.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 636601054 + ... + 636601057.

It is an arithmetic number, because the mean of its divisors is an integer number (954901584).

Almost surely, 2^2546404222 is an apocalyptic number.

2546404222 is a deficient number, since it is larger than the sum of its proper divisors (1273202114).

2546404222 is a wasteful number, since it uses less digits than its factorization.

2546404222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273202113.

The product of its (nonzero) digits is 30720, while the sum is 31.

The square root of 2546404222 is about 50461.9086242286. The cubic root of 2546404222 is about 1365.5547436357.

The spelling of 2546404222 in words is "two billion, five hundred forty-six million, four hundred four thousand, two hundred twenty-two".