421161022 has 8 divisors (see below), whose sum is σ = 632668536. Its totient is φ = 210271512.

The previous prime is 421161001. The next prime is 421161029. The reversal of 421161022 is 220161124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421161029) 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, 152793 + ... + 155524.

It is an arithmetic number, because the mean of its divisors is an integer number (79083567).

Almost surely, 2^421161022 is an apocalyptic number.

421161022 is a deficient number, since it is larger than the sum of its proper divisors (211507514).

421161022 is a wasteful number, since it uses less digits than its factorization.

421161022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309002.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 421161022 is about 20522.2080196065. The cubic root of 421161022 is about 749.5766630186.

The spelling of 421161022 in words is "four hundred twenty-one million, one hundred sixty-one thousand, twenty-two".