22042424425 has 24 divisors (see below), whose sum is σ = 31252749696. Its totient is φ = 15107312640.

The previous prime is 22042424423. The next prime is 22042424477. The reversal of 22042424425 is 52442424022.

It is a happy number.

It is not a de Polignac number, because 22042424425 - 2¹ = 22042424423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22042424423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 335049 + ... + 395401.

It is an arithmetic number, because the mean of its divisors is an integer number (1302197904).

Almost surely, 2^22042424425 is an apocalyptic number.

22042424425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22042424425 is a deficient number, since it is larger than the sum of its proper divisors (9210325271).

22042424425 is a wasteful number, since it uses less digits than its factorization.

22042424425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62457 (or 62452 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 31.

Adding to 22042424425 its reverse (52442424022), we get a palindrome (74484848447).

The spelling of 22042424425 in words is "twenty-two billion, forty-two million, four hundred twenty-four thousand, four hundred twenty-five".