22219715145 has 32 divisors (see below), whose sum is σ = 35860464000. Its totient is φ = 11747856384.

The previous prime is 22219715099. The next prime is 22219715183. The reversal of 22219715145 is 54151791222.

It is not a de Polignac number, because 22219715145 - 2¹² = 22219711049 is a prime.

It is a super-2 number, since 2×22219715145² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1159401 + ... + 1178409.

It is an arithmetic number, because the mean of its divisors is an integer number (1120639500).

Almost surely, 2^22219715145 is an apocalyptic number.

It is an amenable number.

22219715145 is a deficient number, since it is larger than the sum of its proper divisors (13640748855).

22219715145 is a wasteful number, since it uses less digits than its factorization.

22219715145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19689.

The product of its digits is 50400, while the sum is 39.

The spelling of 22219715145 in words is "twenty-two billion, two hundred nineteen million, seven hundred fifteen thousand, one hundred forty-five".