2548157422 has 4 divisors (see below), whose sum is σ = 3822236136. Its totient is φ = 1274078710.

The previous prime is 2548157407. The next prime is 2548157429. The reversal of 2548157422 is 2247518452.

It is a happy number.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2548157429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637039354 + ... + 637039357.

It is an arithmetic number, because the mean of its divisors is an integer number (955559034).

Almost surely, 2^2548157422 is an apocalyptic number.

2548157422 is a deficient number, since it is larger than the sum of its proper divisors (1274078714).

2548157422 is a wasteful number, since it uses less digits than its factorization.

2548157422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274078713.

The product of its digits is 179200, while the sum is 40.

The square root of 2548157422 is about 50479.2771540956. The cubic root of 2548157422 is about 1365.8680666766.

The spelling of 2548157422 in words is "two billion, five hundred forty-eight million, one hundred fifty-seven thousand, four hundred twenty-two".