35222321 has 4 divisors (see below), whose sum is σ = 36081444. Its totient is φ = 34363200.

The previous prime is 35222311. The next prime is 35222323. The reversal of 35222321 is 12322253.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12322253 = 131 ⋅94063.

It can be written as a sum of positive squares in 2 ways, for example, as 10471696 + 24750625 = 3236^2 + 4975^2 .

It is a cyclic number.

It is not a de Polignac number, because 35222321 - 2²² = 31028017 is a prime.

It is a super-2 number, since 2×35222321² = 2481223793254082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 35222293 and 35222302.

It is not an unprimeable number, because it can be changed into a prime (35222323) 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, 429500 + ... + 429581.

It is an arithmetic number, because the mean of its divisors is an integer number (9020361).

Almost surely, 2^35222321 is an apocalyptic number.

It is an amenable number.

35222321 is a deficient number, since it is larger than the sum of its proper divisors (859123).

35222321 is an equidigital number, since it uses as much as digits as its factorization.

35222321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859122.

The product of its digits is 720, while the sum is 20.

The square root of 35222321 is about 5934.8395934515. The cubic root of 35222321 is about 327.7977665957.

Adding to 35222321 its reverse (12322253), we get a palindrome (47544574).

The spelling of 35222321 in words is "thirty-five million, two hundred twenty-two thousand, three hundred twenty-one".