402402301 has 4 divisors (see below), whose sum is σ = 459888352. Its totient is φ = 344916252.

The previous prime is 402402293. The next prime is 402402307. The reversal of 402402301 is 103204204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 402402301 - 2³ = 402402293 is a prime.

It is a super-2 number, since 2×402402301² = 323855223700189202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402402307) 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, 28743015 + ... + 28743028.

It is an arithmetic number, because the mean of its divisors is an integer number (114972088).

Almost surely, 2^402402301 is an apocalyptic number.

It is an amenable number.

402402301 is a deficient number, since it is larger than the sum of its proper divisors (57486051).

402402301 is an equidigital number, since it uses as much as digits as its factorization.

402402301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57486050.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 402402301 is about 20059.9676221075. The cubic root of 402402301 is about 738.2783820875.

Adding to 402402301 its reverse (103204204), we get a palindrome (505606505).

The spelling of 402402301 in words is "four hundred two million, four hundred two thousand, three hundred one".