222340425 has 48 divisors (see below), whose sum is σ = 390058368. Its totient is φ = 111513600.

The previous prime is 222340411. The next prime is 222340429. The reversal of 222340425 is 524043222.

It is a happy number.

It is not a de Polignac number, because 222340425 - 2¹¹ = 222338377 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222340395 and 222340404.

It is not an unprimeable number, because it can be changed into a prime (222340429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 104169 + ... + 106281.

It is an arithmetic number, because the mean of its divisors is an integer number (8126216).

Almost surely, 2^222340425 is an apocalyptic number.

222340425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

222340425 is a deficient number, since it is larger than the sum of its proper divisors (167717943).

222340425 is a wasteful number, since it uses less digits than its factorization.

222340425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210 (or 2205 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 222340425 is about 14911.0839646218. The cubic root of 222340425 is about 605.8142395924.

Adding to 222340425 its reverse (524043222), we get a palindrome (746383647).

The spelling of 222340425 in words is "two hundred twenty-two million, three hundred forty thousand, four hundred twenty-five".