1452220 has 96 divisors (see below), whose sum is σ = 4064256. Its totient is φ = 422400.

The previous prime is 1452211. The next prime is 1452221. The reversal of 1452220 is 222541.

It is a junction number, because it is equal to n+sod(n) for n = 1452194 and 1452203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1452221) 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, 35400 + ... + 35440.

It is an arithmetic number, because the mean of its divisors is an integer number (42336).

2^1452220 is an apocalyptic number.

1452220 is a gapful number since it is divisible by the number (10) 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 1452220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2032128).

1452220 is an abundant number, since it is smaller than the sum of its proper divisors (2612036).

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

1452220 is a wasteful number, since it uses less digits than its factorization.

1452220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 1452220 is about 1205.0809101467. The cubic root of 1452220 is about 113.2428535824.

Adding to 1452220 its reverse (222541), we get a palindrome (1674761).

The spelling of 1452220 in words is "one million, four hundred fifty-two thousand, two hundred twenty".