2195734242 has 32 divisors (see below), whose sum is σ = 4766533632. Its totient is φ = 670287744.

The previous prime is 2195734193. The next prime is 2195734271. The reversal of 2195734242 is 2424375912.

It is a super-2 number, since 2×2195734242² = 9642497722982629128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 2195734242.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100923 + ... + 120734.

It is an arithmetic number, because the mean of its divisors is an integer number (148954176).

Almost surely, 2^2195734242 is an apocalyptic number.

2195734242 is an abundant number, since it is smaller than the sum of its proper divisors (2570799390).

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

2195734242 is a wasteful number, since it uses less digits than its factorization.

2195734242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221802.

The product of its digits is 120960, while the sum is 39.

The square root of 2195734242 is about 46858.6624008838. The cubic root of 2195734242 is about 1299.7502956295.

The spelling of 2195734242 in words is "two billion, one hundred ninety-five million, seven hundred thirty-four thousand, two hundred forty-two".