2198535 has 16 divisors (see below), whose sum is σ = 3554304. Its totient is φ = 1160352.

The previous prime is 2198533. The next prime is 2198569. The reversal of 2198535 is 5358912.

It is not a de Polignac number, because 2198535 - 2¹ = 2198533 is a prime.

It is a super-2 number, since 2×2198535² = 9667112292450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2198496 and 2198505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2198533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 834 + ... + 2256.

It is an arithmetic number, because the mean of its divisors is an integer number (222144).

2^2198535 is an apocalyptic number.

2198535 is a deficient number, since it is larger than the sum of its proper divisors (1355769).

2198535 is a wasteful number, since it uses less digits than its factorization.

2198535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534.

The product of its digits is 10800, while the sum is 33.

The square root of 2198535 is about 1482.7457637775. The cubic root of 2198535 is about 130.0302690857.

The spelling of 2198535 in words is "two million, one hundred ninety-eight thousand, five hundred thirty-five".