35224421 has 2 divisors, whose sum is σ = 35224422. Its totient is φ = 35224420.

The previous prime is 35224417. The next prime is 35224429. The reversal of 35224421 is 12442253.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35224225 + 196 = 5935^2 + 14^2 .

It is a cyclic number.

It is not a de Polignac number, because 35224421 - 2² = 35224417 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35224429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17612210 + 17612211.

It is an arithmetic number, because the mean of its divisors is an integer number (17612211).

Almost surely, 2^35224421 is an apocalyptic number.

It is an amenable number.

35224421 is a deficient number, since it is larger than the sum of its proper divisors (1).

35224421 is an equidigital number, since it uses as much as digits as its factorization.

35224421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920, while the sum is 23.

The square root of 35224421 is about 5935.0165121927. The cubic root of 35224421 is about 327.8042810408.

Adding to 35224421 its reverse (12442253), we get a palindrome (47666674).

The spelling of 35224421 in words is "thirty-five million, two hundred twenty-four thousand, four hundred twenty-one".