70446222 has 144 divisors (see below), whose sum is σ = 198789552. Its totient is φ = 17821440.

The previous prime is 70446221. The next prime is 70446223. The reversal of 70446222 is 22264407.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (70446221) and next prime (70446223).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70446221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 514138 + ... + 514274.

It is an arithmetic number, because the mean of its divisors is an integer number (1380483).

Almost surely, 2^70446222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70446222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99394776).

70446222 is an abundant number, since it is smaller than the sum of its proper divisors (128343330).

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

70446222 is a wasteful number, since it uses less digits than its factorization.

70446222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 70446222 is about 8393.2247676325. The cubic root of 70446222 is about 413.0023939342.

The spelling of 70446222 in words is "seventy million, four hundred forty-six thousand, two hundred twenty-two".