222025431 has 8 divisors (see below), whose sum is σ = 311614720. Its totient is φ = 140226552.

The previous prime is 222025429. The next prime is 222025439. The reversal of 222025431 is 134520222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 222025431 - 2¹ = 222025429 is a prime.

It is a super-2 number, since 2×222025431² = 98590584021471522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222025398 and 222025407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222025439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1947535 + ... + 1947648.

It is an arithmetic number, because the mean of its divisors is an integer number (38951840).

Almost surely, 2^222025431 is an apocalyptic number.

222025431 is a deficient number, since it is larger than the sum of its proper divisors (89589289).

222025431 is a wasteful number, since it uses less digits than its factorization.

222025431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3895205.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 222025431 is about 14900.5178097944. The cubic root of 222025431 is about 605.5280147818.

Adding to 222025431 its reverse (134520222), we get a palindrome (356545653).

The spelling of 222025431 in words is "two hundred twenty-two million, twenty-five thousand, four hundred thirty-one".