402241223 has 4 divisors (see below), whose sum is σ = 416111640. Its totient is φ = 388370808.

The previous prime is 402241193. The next prime is 402241247. The reversal of 402241223 is 322142204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 402241223 - 2⁶ = 402241159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402241195 and 402241204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402241253) 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, 6935165 + ... + 6935222.

It is an arithmetic number, because the mean of its divisors is an integer number (104027910).

Almost surely, 2^402241223 is an apocalyptic number.

402241223 is a deficient number, since it is larger than the sum of its proper divisors (13870417).

402241223 is a wasteful number, since it uses less digits than its factorization.

402241223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13870416.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 402241223 is about 20055.9523084794. The cubic root of 402241223 is about 738.1798602218.

Adding to 402241223 its reverse (322142204), we get a palindrome (724383427).

The spelling of 402241223 in words is "four hundred two million, two hundred forty-one thousand, two hundred twenty-three".