22103401 has 2 divisors, whose sum is σ = 22103402. Its totient is φ = 22103400.

The previous prime is 22103399. The next prime is 22103407. The reversal of 22103401 is 10430122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13133376 + 8970025 = 3624^2 + 2995^2 .

It is a cyclic number.

It is not a de Polignac number, because 22103401 - 2¹ = 22103399 is a prime.

Together with 22103399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22103407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11051700 + 11051701.

It is an arithmetic number, because the mean of its divisors is an integer number (11051701).

Almost surely, 2^22103401 is an apocalyptic number.

It is an amenable number.

22103401 is a deficient number, since it is larger than the sum of its proper divisors (1).

22103401 is an equidigital number, since it uses as much as digits as its factorization.

22103401 is an odious number, because the sum of its binary digits is odd.

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

The square root of 22103401 is about 4701.4254221459. The cubic root of 22103401 is about 280.6422375048.

Adding to 22103401 its reverse (10430122), we get a palindrome (32533523).

The spelling of 22103401 in words is "twenty-two million, one hundred three thousand, four hundred one".