2141522 has 4 divisors (see below), whose sum is σ = 3212286. Its totient is φ = 1070760.

The previous prime is 2141519. The next prime is 2141533. The reversal of 2141522 is 2251412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1437601 + 703921 = 1199^2 + 839^2 .

It is a super-2 number, since 2×2141522² = 9172232952968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2141522.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535379 + ... + 535382.

2^2141522 is an apocalyptic number.

2141522 is a deficient number, since it is larger than the sum of its proper divisors (1070764).

2141522 is a wasteful number, since it uses less digits than its factorization.

2141522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070763.

The product of its digits is 160, while the sum is 17.

The square root of 2141522 is about 1463.3940002610. The cubic root of 2141522 is about 128.8964174600.

Adding to 2141522 its reverse (2251412), we get a palindrome (4392934).

The spelling of 2141522 in words is "two million, one hundred forty-one thousand, five hundred twenty-two".