2422531263438 has 192 divisors, whose sum is σ = 6309838761408. Its totient is φ = 661983528960.

The previous prime is 2422531263431. The next prime is 2422531263443. The reversal of 2422531263438 is 8343621352242.

2422531263438 is a `hidden beast` number, since 2 + 4 + 2 + 2 + 5 + 3 + 1 + 2 + 634 + 3 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2422531263393 and 2422531263402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2422531263431) 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 95 ways as a sum of consecutive naturals, for example, 31748220 + ... + 31824432.

It is an arithmetic number, because the mean of its divisors is an integer number (32863743549).

Almost surely, 2^{2422531263438} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2422531263438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3154919380704).

2422531263438 is an abundant number, since it is smaller than the sum of its proper divisors (3887307497970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2422531263438 is a wasteful number, since it uses less digits than its factorization.

2422531263438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76531 (or 76528 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 45.

The spelling of 2422531263438 in words is "two trillion, four hundred twenty-two billion, five hundred thirty-one million, two hundred sixty-three thousand, four hundred thirty-eight".