61226224431 has 8 divisors (see below), whose sum is σ = 81960205824. Its totient is φ = 40654863000.

The previous prime is 61226224399. The next prime is 61226224441. The reversal of 61226224431 is 13442262216.

61226224431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 61226224431 - 2⁵ = 61226224399 is a prime.

It is a super-2 number, since 2×61226224431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61226224392 and 61226224401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61226224441) 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, 40654111 + ... + 40655616.

It is an arithmetic number, because the mean of its divisors is an integer number (10245025728).

Almost surely, 2^61226224431 is an apocalyptic number.

61226224431 is a deficient number, since it is larger than the sum of its proper divisors (20733981393).

61226224431 is a wasteful number, since it uses less digits than its factorization.

61226224431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81309981.

The product of its digits is 27648, while the sum is 33.

Adding to 61226224431 its reverse (13442262216), we get a palindrome (74668486647).

The spelling of 61226224431 in words is "sixty-one billion, two hundred twenty-six million, two hundred twenty-four thousand, four hundred thirty-one".