22240421241531 has 16 divisors (see below), whose sum is σ = 29816754605568. Its totient is φ = 14745714141600.

The previous prime is 22240421241427. The next prime is 22240421241601. The reversal of 22240421241531 is 13514212404222.

It is not a de Polignac number, because 22240421241531 - 2⁷ = 22240421241403 is a prime.

It is a super-2 number, since 2×22240421241531² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22240421241492 and 22240421241501.

It is not an unprimeable number, because it can be changed into a prime (22240421241331) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 24103705 + ... + 25009386.

It is an arithmetic number, because the mean of its divisors is an integer number (1863547162848).

Almost surely, 2^{22240421241531} is an apocalyptic number.

22240421241531 is a deficient number, since it is larger than the sum of its proper divisors (7576333364037).

22240421241531 is a wasteful number, since it uses less digits than its factorization.

22240421241531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49113922.

The product of its (nonzero) digits is 30720, while the sum is 33.

Adding to 22240421241531 its reverse (13514212404222), we get a palindrome (35754633645753).

The spelling of 22240421241531 in words is "twenty-two trillion, two hundred forty billion, four hundred twenty-one million, two hundred forty-one thousand, five hundred thirty-one".