3220224251 has 8 divisors (see below), whose sum is σ = 3248868864. Its totient is φ = 3191688360.

The previous prime is 3220224233. The next prime is 3220224311. The reversal of 3220224251 is 1524220223.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3220224251 - 2¹⁸ = 3219962107 is a prime.

It is a super-2 number, since 2×3220224251² = 20739688453457022002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3220224211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32906 + ... + 86736.

It is an arithmetic number, because the mean of its divisors is an integer number (406108608).

Almost surely, 2^3220224251 is an apocalyptic number.

3220224251 is a deficient number, since it is larger than the sum of its proper divisors (28644613).

3220224251 is a wasteful number, since it uses less digits than its factorization.

3220224251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54361.

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

The square root of 3220224251 is about 56747.0197543448. The cubic root of 3220224251 is about 1476.7105312744.

Adding to 3220224251 its reverse (1524220223), we get a palindrome (4744444474).

The spelling of 3220224251 in words is "three billion, two hundred twenty million, two hundred twenty-four thousand, two hundred fifty-one".