401322345 has 16 divisors (see below), whose sum is σ = 642600000. Its totient is φ = 213877184.

The previous prime is 401322323. The next prime is 401322359. The reversal of 401322345 is 543223104.

It is a cyclic number.

It is not a de Polignac number, because 401322345 - 2¹² = 401318249 is a prime.

It is a super-2 number, since 2×401322345² = 322119249192598050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12031 + ... + 30779.

It is an arithmetic number, because the mean of its divisors is an integer number (40162500).

Almost surely, 2^401322345 is an apocalyptic number.

It is an amenable number.

401322345 is a deficient number, since it is larger than the sum of its proper divisors (241277655).

401322345 is a wasteful number, since it uses less digits than its factorization.

401322345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20184.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 401322345 is about 20033.0313482508. The cubic root of 401322345 is about 737.6173334336.

Adding to 401322345 its reverse (543223104), we get a palindrome (944545449).

The spelling of 401322345 in words is "four hundred one million, three hundred twenty-two thousand, three hundred forty-five".