245351222 has 16 divisors (see below), whose sum is σ = 370917744. Its totient is φ = 121716000.

The previous prime is 245351219. The next prime is 245351243. The reversal of 245351222 is 222153542.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 245351191 and 245351200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176972 + ... + 178352.

It is an arithmetic number, because the mean of its divisors is an integer number (23182359).

Almost surely, 2^245351222 is an apocalyptic number.

245351222 is a deficient number, since it is larger than the sum of its proper divisors (125566522).

245351222 is a wasteful number, since it uses less digits than its factorization.

245351222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015.

The product of its digits is 4800, while the sum is 26.

The square root of 245351222 is about 15663.6911997141. The cubic root of 245351222 is about 626.0313399778.

The spelling of 245351222 in words is "two hundred forty-five million, three hundred fifty-one thousand, two hundred twenty-two".