245466390222 has 96 divisors (see below), whose sum is σ = 561241699200. Its totient is φ = 80389555488.

The previous prime is 245466390193. The next prime is 245466390251. The reversal of 245466390222 is 222093664542.

245466390222 is a `hidden beast` number, since 2 + 4 + 5 + 4 + 6 + 639 + 0 + 2 + 2 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (245466390193) and next prime (245466390251).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12656929 + ... + 12676307.

It is an arithmetic number, because the mean of its divisors is an integer number (5846267700).

Almost surely, 2^245466390222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245466390222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280620849600).

245466390222 is an abundant number, since it is smaller than the sum of its proper divisors (315775308978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245466390222 is a wasteful number, since it uses less digits than its factorization.

245466390222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19852 (or 19840 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 245466390222 in words is "two hundred forty-five billion, four hundred sixty-six million, three hundred ninety thousand, two hundred twenty-two".