62521228 has 48 divisors (see below), whose sum is σ = 139765248. Its totient is φ = 23760000.

The previous prime is 62521213. The next prime is 62521237. The reversal of 62521228 is 82212526.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 62521196 and 62521205.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10153 + ... + 15103.

It is an arithmetic number, because the mean of its divisors is an integer number (2911776).

Almost surely, 2^62521228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 62521228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69882624).

62521228 is an abundant number, since it is smaller than the sum of its proper divisors (77244020).

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

62521228 is a wasteful number, since it uses less digits than its factorization.

62521228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5014 (or 5012 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 62521228 is about 7907.0366130428. The cubic root of 62521228 is about 396.8951877056.

The spelling of 62521228 in words is "sixty-two million, five hundred twenty-one thousand, two hundred twenty-eight".