42222155551 has 8 divisors (see below), whose sum is σ = 42406902720. Its totient is φ = 42037567488.

The previous prime is 42222155531. The next prime is 42222155567. The reversal of 42222155551 is 15555122224.

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 42222155551 - 2¹¹ = 42222153503 is a prime.

It is a super-2 number, since 2×42222155551² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42222155531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508570 + ... + 585736.

It is an arithmetic number, because the mean of its divisors is an integer number (5300862840).

Almost surely, 2^42222155551 is an apocalyptic number.

42222155551 is a deficient number, since it is larger than the sum of its proper divisors (184747169).

42222155551 is a wasteful number, since it uses less digits than its factorization.

42222155551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79553.

The product of its digits is 40000, while the sum is 34.

Adding to 42222155551 its reverse (15555122224), we get a palindrome (57777277775).

The spelling of 42222155551 in words is "forty-two billion, two hundred twenty-two million, one hundred fifty-five thousand, five hundred fifty-one".