82403622 has 64 divisors (see below), whose sum is σ = 210301440. Its totient is φ = 23429088.

The previous prime is 82403621. The next prime is 82403653. The reversal of 82403622 is 22630428.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82403621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104313 + ... + 105099.

It is an arithmetic number, because the mean of its divisors is an integer number (3285960).

Almost surely, 2^82403622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82403622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105150720).

82403622 is an abundant number, since it is smaller than the sum of its proper divisors (127897818).

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

82403622 is a wasteful number, since it uses less digits than its factorization.

82403622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082 (or 1076 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 82403622 is about 9077.6440776228. The cubic root of 82403622 is about 435.1597986030.

The spelling of 82403622 in words is "eighty-two million, four hundred three thousand, six hundred twenty-two".