42225020231 has 16 divisors (see below), whose sum is σ = 44160362400. Its totient is φ = 40333344768.

The previous prime is 42225020219. The next prime is 42225020297. The reversal of 42225020231 is 13202052224.

It is a cyclic number.

It is not a de Polignac number, because 42225020231 - 2³⁰ = 41151278407 is a prime.

It is a super-2 number, since 2×42225020231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42225020197 and 42225020206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42225020731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1666151 + ... + 1691303.

It is an arithmetic number, because the mean of its divisors is an integer number (2760022650).

Almost surely, 2^42225020231 is an apocalyptic number.

42225020231 is a deficient number, since it is larger than the sum of its proper divisors (1935342169).

42225020231 is a wasteful number, since it uses less digits than its factorization.

42225020231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26018.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 42225020231 its reverse (13202052224), we get a palindrome (55427072455).

The spelling of 42225020231 in words is "forty-two billion, two hundred twenty-five million, twenty thousand, two hundred thirty-one".