245222446 has 16 divisors (see below), whose sum is σ = 420660576. Its totient is φ = 105025536.

The previous prime is 245222443. The next prime is 245222449. The reversal of 245222446 is 644222542.

It is an interprime number because it is at equal distance from previous prime (245222443) and next prime (245222449).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245222441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19950 + ... + 29806.

It is an arithmetic number, because the mean of its divisors is an integer number (26291286).

Almost surely, 2^245222446 is an apocalyptic number.

245222446 is a deficient number, since it is larger than the sum of its proper divisors (175438130).

245222446 is a wasteful number, since it uses less digits than its factorization.

245222446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11643.

The product of its digits is 30720, while the sum is 31.

The square root of 245222446 is about 15659.5800071394. The cubic root of 245222446 is about 625.9217937257.

Adding to 245222446 its reverse (644222542), we get a palindrome (889444988).

The spelling of 245222446 in words is "two hundred forty-five million, two hundred twenty-two thousand, four hundred forty-six".