2195154 has 64 divisors (see below), whose sum is σ = 5443200. Its totient is φ = 651456.

The previous prime is 2195147. The next prime is 2195177. The reversal of 2195154 is 4515912.

It is a super-3 number, since 3×2195154³ = 31733372876170536792, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37177 + ... + 37235.

It is an arithmetic number, because the mean of its divisors is an integer number (85050).

2^2195154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2195154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2721600).

2195154 is an abundant number, since it is smaller than the sum of its proper divisors (3248046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2195154 is a wasteful number, since it uses less digits than its factorization.

2195154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 130 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 2195154 is about 1481.6052105740. The cubic root of 2195154 is about 129.9635795411.

The spelling of 2195154 in words is "two million, one hundred ninety-five thousand, one hundred fifty-four".