2142422222155 has 8 divisors (see below), whose sum is σ = 2587281869232. Its totient is φ = 1703020975968.

The previous prime is 2142422222117. The next prime is 2142422222221. The reversal of 2142422222155 is 5512222242412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2142422222155 - 2¹³ = 2142422213963 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2142422222155.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1364599357 + ... + 1364600926.

It is an arithmetic number, because the mean of its divisors is an integer number (323410233654).

Almost surely, 2^{2142422222155} is an apocalyptic number.

2142422222155 is a deficient number, since it is larger than the sum of its proper divisors (444859647077).

2142422222155 is a wasteful number, since it uses less digits than its factorization.

2142422222155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2729200445.

The product of its digits is 51200, while the sum is 34.

Adding to 2142422222155 its reverse (5512222242412), we get a palindrome (7654644464567).

The spelling of 2142422222155 in words is "two trillion, one hundred forty-two billion, four hundred twenty-two million, two hundred twenty-two thousand, one hundred fifty-five".