22415401 has 4 divisors (see below), whose sum is σ = 23733972. Its totient is φ = 21096832.

The previous prime is 22415399. The next prime is 22415413. The reversal of 22415401 is 10451422.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16160400 + 6255001 = 4020^2 + 2501^2 .

It is a cyclic number.

It is not a de Polignac number, because 22415401 - 2¹ = 22415399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22415461) 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, 659260 + ... + 659293.

It is an arithmetic number, because the mean of its divisors is an integer number (5933493).

Almost surely, 2^22415401 is an apocalyptic number.

It is an amenable number.

22415401 is a deficient number, since it is larger than the sum of its proper divisors (1318571).

22415401 is a wasteful number, since it uses less digits than its factorization.

22415401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318570.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 22415401 is about 4734.4905744969. The cubic root of 22415401 is about 281.9565389153.

Adding to 22415401 its reverse (10451422), we get a palindrome (32866823).

It can be divided in two parts, 224 and 15401, that added together give a 6-th power (15625 = 5⁶).

The spelling of 22415401 in words is "twenty-two million, four hundred fifteen thousand, four hundred one".