695222440 has 72 divisors (see below), whose sum is σ = 1723931370. Its totient is φ = 252141120.

The previous prime is 695222419. The next prime is 695222447. The reversal of 695222440 is 44222596.

It can be written as a sum of positive squares in only one way, i.e., 625700196 + 69522244 = 25014^2 + 8338^2 .

It is a junction number, because it is equal to n+sod(n) for n = 695222396 and 695222405.

It is not an unprimeable number, because it can be changed into a prime (695222447) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1834171 + ... + 1834549.

Almost surely, 2^695222440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 695222440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (861965685).

695222440 is an abundant number, since it is smaller than the sum of its proper divisors (1028708930).

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

695222440 is a wasteful number, since it uses less digits than its factorization.

695222440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 695222440 is about 26367.0711304839. The cubic root of 695222440 is about 885.8793816916.

It can be divided in two parts, 6952 and 22440, that added together give a palindrome (29392).

The spelling of 695222440 in words is "six hundred ninety-five million, two hundred twenty-two thousand, four hundred forty".