70505022 has 32 divisors (see below), whose sum is σ = 164448000. Its totient is φ = 20143704.

The previous prime is 70505009. The next prime is 70505027. The reversal of 70505022 is 22050507.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 70505022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70505027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15072 + ... + 19187.

It is an arithmetic number, because the mean of its divisors is an integer number (5139000).

Almost surely, 2^70505022 is an apocalyptic number.

70505022 is an abundant number, since it is smaller than the sum of its proper divisors (93942978).

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

70505022 is a wasteful number, since it uses less digits than its factorization.

70505022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34285 (or 34271 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 70505022 is about 8396.7268622958. The cubic root of 70505022 is about 413.1172701552.

Adding to 70505022 its reverse (22050507), we get a palindrome (92555529).

The spelling of 70505022 in words is "seventy million, five hundred five thousand, twenty-two".