2220142051 has 4 divisors (see below), whose sum is σ = 2222343400. Its totient is φ = 2217940704.

The previous prime is 2220142049. The next prime is 2220142061. The reversal of 2220142051 is 1502410222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1502410222 = 2 ⋅751205111.

It is a cyclic number.

It is not a de Polignac number, because 2220142051 - 2¹ = 2220142049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220142061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1099161 + ... + 1101178.

It is an arithmetic number, because the mean of its divisors is an integer number (555585850).

Almost surely, 2^2220142051 is an apocalyptic number.

2220142051 is a deficient number, since it is larger than the sum of its proper divisors (2201349).

2220142051 is a wasteful number, since it uses less digits than its factorization.

2220142051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2201348.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2220142051 is about 47118.3833657310. The cubic root of 2220142051 is about 1304.5485735227.

Adding to 2220142051 its reverse (1502410222), we get a palindrome (3722552273).

The spelling of 2220142051 in words is "two billion, two hundred twenty million, one hundred forty-two thousand, fifty-one".