742222500 has 60 divisors (see below), whose sum is σ = 2164144752. Its totient is φ = 197924000.

The previous prime is 742222493. The next prime is 742222501. The reversal of 742222500 is 5222247.

742222500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (60).

It is not an unprimeable number, because it can be changed into a prime (742222501) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 41982 + ... + 56981.

Almost surely, 2^742222500 is an apocalyptic number.

It is an amenable number.

742222500 is an abundant number, since it is smaller than the sum of its proper divisors (1421922252).

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

742222500 is a wasteful number, since it uses less digits than its factorization.

742222500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98990 (or 98973 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 742222500 is about 27243.7607536111. The cubic root of 742222500 is about 905.4087873736.

Adding to 742222500 its reverse (5222247), we get a palindrome (747444747).

The spelling of 742222500 in words is "seven hundred forty-two million, two hundred twenty-two thousand, five hundred".