45222528 has 64 divisors (see below), whose sum is σ = 129376800. Its totient is φ = 13913088.

The previous prime is 45222517. The next prime is 45222539. The reversal of 45222528 is 82522254.

It is an interprime number because it is at equal distance from previous prime (45222517) and next prime (45222539).

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 45222495 and 45222504.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463 + ... + 9521.

Almost surely, 2^45222528 is an apocalyptic number.

45222528 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45222528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64688400).

45222528 is an abundant number, since it is smaller than the sum of its proper divisors (84154272).

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

45222528 is a wasteful number, since it uses less digits than its factorization.

45222528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9089 (or 9077 counting only the distinct ones).

The product of its digits is 12800, while the sum is 30.

The square root of 45222528 is about 6724.7697358348. The cubic root of 45222528 is about 356.2746691443.

The spelling of 45222528 in words is "forty-five million, two hundred twenty-two thousand, five hundred twenty-eight".