421125202226 has 4 divisors (see below), whose sum is σ = 631687803342. Its totient is φ = 210562601112.

The previous prime is 421125202187. The next prime is 421125202243. The reversal of 421125202226 is 622202521124.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 341699871601 + 79425330625 = 584551^2 + 281825^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105281300555 + ... + 105281300558.

Almost surely, 2^421125202226 is an apocalyptic number.

421125202226 is a deficient number, since it is larger than the sum of its proper divisors (210562601116).

421125202226 is a wasteful number, since it uses less digits than its factorization.

421125202226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210562601115.

The product of its (nonzero) digits is 7680, while the sum is 29.

The spelling of 421125202226 in words is "four hundred twenty-one billion, one hundred twenty-five million, two hundred two thousand, two hundred twenty-six".