2245470 has 48 divisors (see below), whose sum is σ = 5644080. Its totient is φ = 571648.

The previous prime is 2245459. The next prime is 2245483. The reversal of 2245470 is 745422.

It is a super-4 number, since 4×2245470⁴ (a number of 27 digits) contains 4444 as substring.

It is a d-powerful number, because it can be written as 2⁹ + 2²¹ + 4⁶ + 5⁷ + 4⁸ + 7² + 0 .

It is a self number, because there is not a number n which added to its sum of digits gives 2245470.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25186 + ... + 25274.

It is an arithmetic number, because the mean of its divisors is an integer number (117585).

2^2245470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2245470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2822040).

2245470 is an abundant number, since it is smaller than the sum of its proper divisors (3398610).

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

2245470 is a wasteful number, since it uses less digits than its factorization.

2245470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 2245470 is about 1498.4892392006. The cubic root of 2245470 is about 130.9490701931.

The spelling of 2245470 in words is "two million, two hundred forty-five thousand, four hundred seventy".