42051052222 has 4 divisors (see below), whose sum is σ = 63076578336. Its totient is φ = 21025526110.

The previous prime is 42051052217. The next prime is 42051052297. The reversal of 42051052222 is 22225015024.

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

It is a super-2 number, since 2×42051052222² (a number of 22 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 (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10512763054 + ... + 10512763057.

It is an arithmetic number, because the mean of its divisors is an integer number (15769144584).

Almost surely, 2^42051052222 is an apocalyptic number.

42051052222 is a deficient number, since it is larger than the sum of its proper divisors (21025526114).

42051052222 is a wasteful number, since it uses less digits than its factorization.

42051052222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21025526113.

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 42051052222 its reverse (22225015024), we get a palindrome (64276067246).

The spelling of 42051052222 in words is "forty-two billion, fifty-one million, fifty-two thousand, two hundred twenty-two".