694222040 has 16 divisors (see below), whose sum is σ = 1561999680. Its totient is φ = 277688800.

The previous prime is 694222033. The next prime is 694222049. The reversal of 694222040 is 40222496.

694222040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 694221994 and 694222012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694222049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8677736 + ... + 8677815.

It is an arithmetic number, because the mean of its divisors is an integer number (97624980).

Almost surely, 2^694222040 is an apocalyptic number.

It is an amenable number.

694222040 is an abundant number, since it is smaller than the sum of its proper divisors (867777640).

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

694222040 is a wasteful number, since it uses less digits than its factorization.

694222040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17355562 (or 17355558 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 694222040 is about 26348.0936691822. The cubic root of 694222040 is about 885.4542615628.

It can be divided in two parts, 6942 and 22040, that added together give a palindrome (28982).

The spelling of 694222040 in words is "six hundred ninety-four million, two hundred twenty-two thousand, forty".