2122490 has 16 divisors (see below), whose sum is σ = 4021920. Its totient is φ = 804240.

The previous prime is 2122489. The next prime is 2122499. The reversal of 2122490 is 942212.

It is a d-powerful number, because it can be written as 2⁵ + 1 + 2¹³ + 2²¹ + 4⁷ + 9³ + 0 .

It is not an unprimeable number, because it can be changed into a prime (2122499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5396 + ... + 5775.

It is an arithmetic number, because the mean of its divisors is an integer number (251370).

2^2122490 is an apocalyptic number.

2122490 is a deficient number, since it is larger than the sum of its proper divisors (1899430).

2122490 is a wasteful number, since it uses less digits than its factorization.

2122490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11197.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2122490 is about 1456.8767964382. The cubic root of 2122490 is about 128.5134406346.

The spelling of 2122490 in words is "two million, one hundred twenty-two thousand, four hundred ninety".