22420042351 has 16 divisors (see below), whose sum is σ = 27480384000. Its totient is φ = 17862238368.

The previous prime is 22420042349. The next prime is 22420042369. The reversal of 22420042351 is 15324002422.

It is a cyclic number.

It is not a de Polignac number, because 22420042351 - 2¹ = 22420042349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22420042321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1583251 + ... + 1597348.

It is an arithmetic number, because the mean of its divisors is an integer number (1717524000).

Almost surely, 2^22420042351 is an apocalyptic number.

22420042351 is a deficient number, since it is larger than the sum of its proper divisors (5060341649).

22420042351 is a wasteful number, since it uses less digits than its factorization.

22420042351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3180678.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 22420042351 its reverse (15324002422), we get a palindrome (37744044773).

The spelling of 22420042351 in words is "twenty-two billion, four hundred twenty million, forty-two thousand, three hundred fifty-one".