22240154001551 has 12 divisors (see below), whose sum is σ = 22784772235680. Its totient is φ = 21708270692640.

The previous prime is 22240154001539. The next prime is 22240154001587. The reversal of 22240154001551 is 15510045104222.

It is not a de Polignac number, because 22240154001551 - 2⁶ = 22240154001487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22240154061551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1322471 + ... + 6799208.

It is an arithmetic number, because the mean of its divisors is an integer number (1898731019640).

Almost surely, 2^{22240154001551} is an apocalyptic number.

22240154001551 is a deficient number, since it is larger than the sum of its proper divisors (544618234129).

22240154001551 is an equidigital number, since it uses as much as digits as its factorization.

22240154001551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8123246 (or 8123203 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 32.

Adding to 22240154001551 its reverse (15510045104222), we get a palindrome (37750199105773).

The spelling of 22240154001551 in words is "twenty-two trillion, two hundred forty billion, one hundred fifty-four million, one thousand, five hundred fifty-one".