2190501 has 24 divisors (see below), whose sum is σ = 3407040. Its totient is φ = 1351296.

The previous prime is 2190499. The next prime is 2190521. The reversal of 2190501 is 1050912.

It is not a de Polignac number, because 2190501 - 2¹ = 2190499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15690 + ... + 15828.

It is an arithmetic number, because the mean of its divisors is an integer number (141960).

2^2190501 is an apocalyptic number.

It is an amenable number.

2190501 is a deficient number, since it is larger than the sum of its proper divisors (1216539).

2190501 is a wasteful number, since it uses less digits than its factorization.

2190501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 2190501 is about 1480.0341212283. The cubic root of 2190501 is about 129.8716879914.

The spelling of 2190501 in words is "two million, one hundred ninety thousand, five hundred one".