2454222142 has 4 divisors (see below), whose sum is σ = 3681333216. Its totient is φ = 1227111070.

The previous prime is 2454222101. The next prime is 2454222143. The reversal of 2454222142 is 2412224542.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2454222142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2454222143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613555534 + ... + 613555537.

It is an arithmetic number, because the mean of its divisors is an integer number (920333304).

Almost surely, 2^2454222142 is an apocalyptic number.

2454222142 is a deficient number, since it is larger than the sum of its proper divisors (1227111074).

2454222142 is a wasteful number, since it uses less digits than its factorization.

2454222142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227111073.

The product of its digits is 10240, while the sum is 28.

The square root of 2454222142 is about 49540.1063987553. The cubic root of 2454222142 is about 1348.8737093516.

Adding to 2454222142 its reverse (2412224542), we get a palindrome (4866446684).

The spelling of 2454222142 in words is "two billion, four hundred fifty-four million, two hundred twenty-two thousand, one hundred forty-two".