22103419845 has 32 divisors (see below), whose sum is σ = 38710272384. Its totient is φ = 10703289600.

The previous prime is 22103419823. The next prime is 22103419861. The reversal of 22103419845 is 54891430122.

It is not a de Polignac number, because 22103419845 - 2¹⁸ = 22103157701 is a prime.

It is a super-2 number, since 2×22103419845² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 917211 + ... + 941000.

It is an arithmetic number, because the mean of its divisors is an integer number (1209696012).

Almost surely, 2^22103419845 is an apocalyptic number.

It is an amenable number.

22103419845 is a deficient number, since it is larger than the sum of its proper divisors (16606852539).

22103419845 is a wasteful number, since it uses less digits than its factorization.

22103419845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858293.

The product of its (nonzero) digits is 69120, while the sum is 39.

Adding to 22103419845 its reverse (54891430122), we get a palindrome (76994849967).

The spelling of 22103419845 in words is "twenty-two billion, one hundred three million, four hundred nineteen thousand, eight hundred forty-five".