70313022 has 96 divisors (see below), whose sum is σ = 176117760. Its totient is φ = 20878560.

The previous prime is 70312993. The next prime is 70313027. The reversal of 70313022 is 22031307.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 70312986 and 70313004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70313027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 195679 + ... + 196037.

It is an arithmetic number, because the mean of its divisors is an integer number (1834560).

Almost surely, 2^70313022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70313022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88058880).

70313022 is an abundant number, since it is smaller than the sum of its proper divisors (105804738).

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

70313022 is a wasteful number, since it uses less digits than its factorization.

70313022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 70313022 is about 8385.2860416327. The cubic root of 70313022 is about 412.7419275055.

Adding to 70313022 its reverse (22031307), we get a palindrome (92344329).

The spelling of 70313022 in words is "seventy million, three hundred thirteen thousand, twenty-two".