402202241 has 24 divisors (see below), whose sum is σ = 495927360. Its totient is φ = 324324000.

The previous prime is 402202237. The next prime is 402202253. The reversal of 402202241 is 142202204.

It is a happy number.

It is not a de Polignac number, because 402202241 - 2² = 402202237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402202441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139151 + ... + 142011.

It is an arithmetic number, because the mean of its divisors is an integer number (20663640).

Almost surely, 2^402202241 is an apocalyptic number.

It is an amenable number.

402202241 is a deficient number, since it is larger than the sum of its proper divisors (93725119).

402202241 is a wasteful number, since it uses less digits than its factorization.

402202241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3045 (or 3038 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 402202241 is about 20054.9804537427. The cubic root of 402202241 is about 738.1560132901.

Adding to 402202241 its reverse (142202204), we get a palindrome (544404445).

The spelling of 402202241 in words is "four hundred two million, two hundred two thousand, two hundred forty-one".