694472222500 has 135 divisors (see below), whose sum is σ = 1767360558117. Its totient is φ = 238004760000.

The previous prime is 694472222497. The next prime is 694472222501. The reversal of 694472222500 is 5222274496.

It is a happy number.

The square root of 694472222500 is 833350.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 650348699364 + 44123523136 = 806442^2 + 210056^2 .

It is a super-3 number, since 3×694472222500³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (694472222501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 291671310 + ... + 291673690.

Almost surely, 2^694472222500 is an apocalyptic number.

694472222500 is the 833350-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 694472222500

694472222500 is an abundant number, since it is smaller than the sum of its proper divisors (1072888335617).

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

694472222500 is an frugal number, since it uses more digits than its factorization.

694472222500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4800 (or 2395 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 43.

Adding to 694472222500 its reverse (5222274496), we get a palindrome (699694496996).

The spelling of 694472222500 in words is "six hundred ninety-four billion, four hundred seventy-two million, two hundred twenty-two thousand, five hundred".