2400223442 has 4 divisors (see below), whose sum is σ = 3600335166. Its totient is φ = 1200111720.

The previous prime is 2400223439. The next prime is 2400223451. The reversal of 2400223442 is 2443220042.

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

It can be written as a sum of positive squares in only one way, i.e., 1302560281 + 1097663161 = 36091^2 + 33131^2 .

It is a super-2 number, since 2×2400223442² = 11522145143052654728, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600055859 + ... + 600055862.

Almost surely, 2^2400223442 is an apocalyptic number.

2400223442 is a deficient number, since it is larger than the sum of its proper divisors (1200111724).

2400223442 is a wasteful number, since it uses less digits than its factorization.

2400223442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200111723.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 2400223442 is about 48992.0752979500. The cubic root of 2400223442 is about 1338.9074487186.

Adding to 2400223442 its reverse (2443220042), we get a palindrome (4843443484).

The spelling of 2400223442 in words is "two billion, four hundred million, two hundred twenty-three thousand, four hundred forty-two".