2220342451 has 4 divisors (see below), whose sum is σ = 2337202600. Its totient is φ = 2103482304.

The previous prime is 2220342431. The next prime is 2220342461. The reversal of 2220342451 is 1542430222.

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

It is a cyclic number.

It is not a de Polignac number, because 2220342451 - 2¹⁷ = 2220211379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220342401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58430046 + ... + 58430083.

It is an arithmetic number, because the mean of its divisors is an integer number (584300650).

Almost surely, 2^2220342451 is an apocalyptic number.

2220342451 is a deficient number, since it is larger than the sum of its proper divisors (116860149).

2220342451 is a wasteful number, since it uses less digits than its factorization.

2220342451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116860148.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2220342451 is about 47120.5098762736. The cubic root of 2220342451 is about 1304.5878238142.

Adding to 2220342451 its reverse (1542430222), we get a palindrome (3762772673).

The spelling of 2220342451 in words is "two billion, two hundred twenty million, three hundred forty-two thousand, four hundred fifty-one".