421202022 has 32 divisors (see below), whose sum is σ = 873400320. Its totient is φ = 135274560.

The previous prime is 421201997. The next prime is 421202039. The reversal of 421202022 is 220202124.

It is a super-2 number, since 2×421202022² = 354822286673776968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 421201992 and 421202010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38479 + ... + 48197.

It is an arithmetic number, because the mean of its divisors is an integer number (27293760).

Almost surely, 2^421202022 is an apocalyptic number.

421202022 is an abundant number, since it is smaller than the sum of its proper divisors (452198298).

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

421202022 is a wasteful number, since it uses less digits than its factorization.

421202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9988.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 421202022 is about 20523.2069131508. The cubic root of 421202022 is about 749.6009859769.

Adding to 421202022 its reverse (220202124), we get a palindrome (641404146).

The spelling of 421202022 in words is "four hundred twenty-one million, two hundred two thousand, twenty-two".