2245851 has 6 divisors (see below), whose sum is σ = 3244020. Its totient is φ = 1497228.

The previous prime is 2245849. The next prime is 2245861. The reversal of 2245851 is 1585422.

It is a happy number.

It is not a de Polignac number, because 2245851 - 2¹ = 2245849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2245811) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124761 + ... + 124778.

It is an arithmetic number, because the mean of its divisors is an integer number (540670).

2^2245851 is an apocalyptic number.

2245851 is a deficient number, since it is larger than the sum of its proper divisors (998169).

2245851 is a wasteful number, since it uses less digits than its factorization.

2245851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249545 (or 249542 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 2245851 is about 1498.6163618485. The cubic root of 2245851 is about 130.9564760330.

The spelling of 2245851 in words is "two million, two hundred forty-five thousand, eight hundred fifty-one".