42224433155 has 8 divisors (see below), whose sum is σ = 50676387792. Its totient is φ = 33774834528.

The previous prime is 42224433151. The next prime is 42224433161. The reversal of 42224433155 is 55133442224.

It is a happy number.

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 42224433155 - 2² = 42224433151 is a prime.

It is a super-2 number, since 2×42224433155² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42224433151) 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, 549329 + ... + 621458.

It is an arithmetic number, because the mean of its divisors is an integer number (6334548474).

Almost surely, 2^42224433155 is an apocalyptic number.

42224433155 is a deficient number, since it is larger than the sum of its proper divisors (8451954637).

42224433155 is a wasteful number, since it uses less digits than its factorization.

42224433155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178005.

The product of its digits is 115200, while the sum is 35.

Adding to 42224433155 its reverse (55133442224), we get a palindrome (97357875379).

The spelling of 42224433155 in words is "forty-two billion, two hundred twenty-four million, four hundred thirty-three thousand, one hundred fifty-five".