336222021 has 4 divisors (see below), whose sum is σ = 448296032. Its totient is φ = 224148012.

The previous prime is 336222011. The next prime is 336222037. The reversal of 336222021 is 120222633.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 336222021 - 2⁵ = 336221989 is a prime.

It is a super-2 number, since 2×336222021² = 226090494810648882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (336222011) 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, 56037001 + ... + 56037006.

It is an arithmetic number, because the mean of its divisors is an integer number (112074008).

Almost surely, 2^336222021 is an apocalyptic number.

It is an amenable number.

336222021 is a deficient number, since it is larger than the sum of its proper divisors (112074011).

336222021 is a wasteful number, since it uses less digits than its factorization.

336222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112074010.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 336222021 is about 18336.3578989940. The cubic root of 336222021 is about 695.3584204434.

Adding to 336222021 its reverse (120222633), we get a palindrome (456444654).

The spelling of 336222021 in words is "three hundred thirty-six million, two hundred twenty-two thousand, twenty-one".