42030220231222 has 4 divisors (see below), whose sum is σ = 63045330346836. Its totient is φ = 21015110115610.

The previous prime is 42030220231163. The next prime is 42030220231267. The reversal of 42030220231222 is 22213202203024.

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

It is a super-2 number, since 2×42030220231222² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10507555057804 + ... + 10507555057807.

It is an arithmetic number, because the mean of its divisors is an integer number (15761332586709).

Almost surely, 2^{42030220231222} is an apocalyptic number.

42030220231222 is a deficient number, since it is larger than the sum of its proper divisors (21015110115614).

42030220231222 is a wasteful number, since it uses less digits than its factorization.

42030220231222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21015110115613.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 42030220231222 its reverse (22213202203024), we get a palindrome (64243422434246).

The spelling of 42030220231222 in words is "forty-two trillion, thirty billion, two hundred twenty million, two hundred thirty-one thousand, two hundred twenty-two".