332223421 has 2 divisors, whose sum is σ = 332223422. Its totient is φ = 332223420.

The previous prime is 332223371. The next prime is 332223433. The reversal of 332223421 is 124322233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 276556900 + 55666521 = 16630^2 + 7461^2 .

It is a cyclic number.

It is not a de Polignac number, because 332223421 - 2¹⁵ = 332190653 is a prime.

It is a super-2 number, since 2×332223421² = 220744802921886482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 332223392 and 332223401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (332227421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166111710 + 166111711.

It is an arithmetic number, because the mean of its divisors is an integer number (166111711).

Almost surely, 2^332223421 is an apocalyptic number.

It is an amenable number.

332223421 is a deficient number, since it is larger than the sum of its proper divisors (1).

332223421 is an equidigital number, since it uses as much as digits as its factorization.

332223421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 22.

The square root of 332223421 is about 18226.9970373619. The cubic root of 332223421 is about 692.5908483817.

Adding to 332223421 its reverse (124322233), we get a palindrome (456545654).

The spelling of 332223421 in words is "three hundred thirty-two million, two hundred twenty-three thousand, four hundred twenty-one".