70522251800 has 384 divisors, whose sum is σ = 221910796800. Its totient is φ = 20127744000.

The previous prime is 70522251799. The next prime is 70522251809. The reversal of 70522251800 is 815222507.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70522251809) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 26224856 + ... + 26227544.

It is an arithmetic number, because the mean of its divisors is an integer number (577892700).

Almost surely, 2^70522251800 is an apocalyptic number.

70522251800 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70522251800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110955398400).

70522251800 is an abundant number, since it is smaller than the sum of its proper divisors (151388545000).

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

70522251800 is a wasteful number, since it uses less digits than its factorization.

70522251800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2867 (or 2858 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The spelling of 70522251800 in words is "seventy billion, five hundred twenty-two million, two hundred fifty-one thousand, eight hundred".