421797202 has 16 divisors (see below), whose sum is σ = 641807712. Its totient is φ = 207873280.

The previous prime is 421797179. The next prime is 421797203. The reversal of 421797202 is 202797124.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (421797203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74802 + ... + 80242.

It is an arithmetic number, because the mean of its divisors is an integer number (40112982).

Almost surely, 2^421797202 is an apocalyptic number.

421797202 is a deficient number, since it is larger than the sum of its proper divisors (220010510).

421797202 is a wasteful number, since it uses less digits than its factorization.

421797202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5993.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 421797202 is about 20537.7019649229. The cubic root of 421797202 is about 749.9538946473.

The spelling of 421797202 in words is "four hundred twenty-one million, seven hundred ninety-seven thousand, two hundred two".