245022290 has 32 divisors (see below), whose sum is σ = 466266240. Its totient is φ = 92448000.

The previous prime is 245022287. The next prime is 245022301. The reversal of 245022290 is 92220542.

245022290 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43115 + ... + 48465.

It is an arithmetic number, because the mean of its divisors is an integer number (14570820).

Almost surely, 2^245022290 is an apocalyptic number.

245022290 is a deficient number, since it is larger than the sum of its proper divisors (221243950).

245022290 is a wasteful number, since it uses less digits than its factorization.

245022290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5618.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 245022290 is about 15653.1878542360. The cubic root of 245022290 is about 625.7514502872.

The spelling of 245022290 in words is "two hundred forty-five million, twenty-two thousand, two hundred ninety".