400101322 has 4 divisors (see below), whose sum is σ = 600151986. Its totient is φ = 200050660.

The previous prime is 400101319. The next prime is 400101323. The reversal of 400101322 is 223101004.

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

It can be written as a sum of positive squares in only one way, i.e., 258277041 + 141824281 = 16071^2 + 11909^2 .

It is a super-2 number, since 2×400101322² = 320162135732295368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (400101323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100025329 + ... + 100025332.

Almost surely, 2^400101322 is an apocalyptic number.

400101322 is a deficient number, since it is larger than the sum of its proper divisors (200050664).

400101322 is a wasteful number, since it uses less digits than its factorization.

400101322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200050663.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 400101322 is about 20002.5328896118. The cubic root of 400101322 is about 736.8685067158.

Adding to 400101322 its reverse (223101004), we get a palindrome (623202326).

The spelling of 400101322 in words is "four hundred million, one hundred one thousand, three hundred twenty-two".