421356022 has 8 divisors (see below), whose sum is σ = 653828400. Its totient is φ = 203413224.

The previous prime is 421356017. The next prime is 421356029. The reversal of 421356022 is 220653124.

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 (421356029) 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, 3632322 + ... + 3632437.

It is an arithmetic number, because the mean of its divisors is an integer number (81728550).

Almost surely, 2^421356022 is an apocalyptic number.

421356022 is a deficient number, since it is larger than the sum of its proper divisors (232472378).

421356022 is a wasteful number, since it uses less digits than its factorization.

421356022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7264790.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 421356022 is about 20526.9584205746. The cubic root of 421356022 is about 749.6923312854.

The spelling of 421356022 in words is "four hundred twenty-one million, three hundred fifty-six thousand, twenty-two".