2221548 has 48 divisors (see below), whose sum is σ = 6048000. Its totient is φ = 621504.

The previous prime is 2221523. The next prime is 2221567. The reversal of 2221548 is 8451222.

2221548 is digitally balanced in base 5 and base 8, because in such bases it contains all the possibile digits an equal number of times.

2221548 is strictly pandigital in base 8.

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, 4203 + ... + 4701.

It is an arithmetic number, because the mean of its divisors is an integer number (126000).

2^2221548 is an apocalyptic number.

2221548 is a gapful number since it is divisible by the number (28) 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 2221548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3024000).

2221548 is an abundant number, since it is smaller than the sum of its proper divisors (3826452).

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

2221548 is a wasteful number, since it uses less digits than its factorization.

2221548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566 (or 564 counting only the distinct ones).

The product of its digits is 1280, while the sum is 24.

The square root of 2221548 is about 1490.4858268363. The cubic root of 2221548 is about 130.4823892502.

It can be divided in two parts, 222 and 1548, that added together give a triangular number (1770 = T₅₉).

The spelling of 2221548 in words is "two million, two hundred twenty-one thousand, five hundred forty-eight".