22401111145 has 32 divisors (see below), whose sum is σ = 30925230336. Its totient is φ = 15259104000.

The previous prime is 22401111101. The next prime is 22401111167. The reversal of 22401111145 is 54111110422.

It is a happy number.

It is not a de Polignac number, because 22401111145 - 2¹³ = 22401102953 is a prime.

It is a super-2 number, since 2×22401111145² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9190867 + ... + 9193303.

It is an arithmetic number, because the mean of its divisors is an integer number (966413448).

Almost surely, 2^22401111145 is an apocalyptic number.

It is an amenable number.

22401111145 is a deficient number, since it is larger than the sum of its proper divisors (8524119191).

22401111145 is a wasteful number, since it uses less digits than its factorization.

22401111145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4081.

The product of its (nonzero) digits is 320, while the sum is 22.

Adding to 22401111145 its reverse (54111110422), we get a palindrome (76512221567).

The spelling of 22401111145 in words is "twenty-two billion, four hundred one million, one hundred eleven thousand, one hundred forty-five".