22140154331 has 8 divisors (see below), whose sum is σ = 22482619200. Its totient is φ = 21799771840.

The previous prime is 22140154307. The next prime is 22140154367. The reversal of 22140154331 is 13345104122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22140154331 - 2¹⁰ = 22140153307 is a prime.

It is a super-2 number, since 2×22140154331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22140154331.

It is not an unprimeable number, because it can be changed into a prime (22140154381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499160 + ... + 541701.

It is an arithmetic number, because the mean of its divisors is an integer number (2810327400).

Almost surely, 2^22140154331 is an apocalyptic number.

22140154331 is a deficient number, since it is larger than the sum of its proper divisors (342464869).

22140154331 is a wasteful number, since it uses less digits than its factorization.

22140154331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041189.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 22140154331 its reverse (13345104122), we get a palindrome (35485258453).

The spelling of 22140154331 in words is "twenty-two billion, one hundred forty million, one hundred fifty-four thousand, three hundred thirty-one".