42424422231425 has 12 divisors (see below), whose sum is σ = 56652920764860. Its totient is φ = 31328804109120.

The previous prime is 42424422231409. The next prime is 42424422231427. The reversal of 42424422231425 is 52413222442424.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 10731710813041 + 31692711418384 = 3275929^2 + 5629628^2 .

It is not a de Polignac number, because 42424422231425 - 2⁴ = 42424422231409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42424422231427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65268341570 + ... + 65268342219.

It is an arithmetic number, because the mean of its divisors is an integer number (4721076730405).

Almost surely, 2^{42424422231425} is an apocalyptic number.

It is an amenable number.

42424422231425 is a deficient number, since it is larger than the sum of its proper divisors (14228498533435).

42424422231425 is a wasteful number, since it uses less digits than its factorization.

42424422231425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130536683812 (or 130536683807 counting only the distinct ones).

The product of its digits is 983040, while the sum is 41.

Adding to 42424422231425 its reverse (52413222442424), we get a palindrome (94837644673849).

The spelling of 42424422231425 in words is "forty-two trillion, four hundred twenty-four billion, four hundred twenty-two million, two hundred thirty-one thousand, four hundred twenty-five".