22320401641 has 4 divisors (see below), whose sum is σ = 22653542032. Its totient is φ = 21987261252.

The previous prime is 22320401633. The next prime is 22320401647. The reversal of 22320401641 is 14610402322.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14610402322 = 2 ⋅7305201161.

It is a cyclic number.

It is not a de Polignac number, because 22320401641 - 2³ = 22320401633 is a prime.

It is a super-3 number, since 3×22320401641³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22320401647) 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 in 3 ways as a sum of consecutive naturals, for example, 166570095 + ... + 166570228.

It is an arithmetic number, because the mean of its divisors is an integer number (5663385508).

Almost surely, 2^22320401641 is an apocalyptic number.

It is an amenable number.

22320401641 is a deficient number, since it is larger than the sum of its proper divisors (333140391).

22320401641 is an equidigital number, since it uses as much as digits as its factorization.

22320401641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333140390.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 22320401641 its reverse (14610402322), we get a palindrome (36930803963).

The spelling of 22320401641 in words is "twenty-two billion, three hundred twenty million, four hundred one thousand, six hundred forty-one".