822625542 has 48 divisors (see below), whose sum is σ = 1857435840. Its totient is φ = 262797696.

The previous prime is 822625541. The next prime is 822625547. The reversal of 822625542 is 245526228.

822625542 is a `hidden beast` number, since 8 + 22 + 625 + 5 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 822625497 and 822625506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822625541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65763 + ... + 77265.

It is an arithmetic number, because the mean of its divisors is an integer number (38696580).

Almost surely, 2^822625542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 822625542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (928717920).

822625542 is an abundant number, since it is smaller than the sum of its proper divisors (1034810298).

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

822625542 is a wasteful number, since it uses less digits than its factorization.

822625542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11677 (or 11674 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 822625542 is about 28681.4494403613. The cubic root of 822625542 is about 936.9880742183.

The spelling of 822625542 in words is "eight hundred twenty-two million, six hundred twenty-five thousand, five hundred forty-two".