22232511145 has 16 divisors (see below), whose sum is σ = 28741995072. Its totient is φ = 16411711680.

The previous prime is 22232511143. The next prime is 22232511163. The reversal of 22232511145 is 54111523222.

It is a happy number.

It is not a de Polignac number, because 22232511145 - 2¹ = 22232511143 is a prime.

It is a super-2 number, since 2×22232511145² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22232511143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114894 + ... + 240136.

It is an arithmetic number, because the mean of its divisors is an integer number (1796374692).

Almost surely, 2^22232511145 is an apocalyptic number.

It is an amenable number.

22232511145 is a deficient number, since it is larger than the sum of its proper divisors (6509483927).

22232511145 is a wasteful number, since it uses less digits than its factorization.

22232511145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127992.

The product of its digits is 4800, while the sum is 28.

The spelling of 22232511145 in words is "twenty-two billion, two hundred thirty-two million, five hundred eleven thousand, one hundred forty-five".