2145130442222 has 8 divisors (see below), whose sum is σ = 3217708643016. Its totient is φ = 1072560894552.

The previous prime is 2145130442207. The next prime is 2145130442269. The reversal of 2145130442222 is 2222440315412.

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

It is a super-2 number, since 2×2145130442222² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1503248 + ... + 2559299.

It is an arithmetic number, because the mean of its divisors is an integer number (402213580377).

Almost surely, 2^{2145130442222} is an apocalyptic number.

2145130442222 is a deficient number, since it is larger than the sum of its proper divisors (1072578200794).

2145130442222 is a wasteful number, since it uses less digits than its factorization.

2145130442222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4326562.

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 2145130442222 its reverse (2222440315412), we get a palindrome (4367570757634).

The spelling of 2145130442222 in words is "two trillion, one hundred forty-five billion, one hundred thirty million, four hundred forty-two thousand, two hundred twenty-two".