2197930742 has 16 divisors (see below), whose sum is σ = 3768664320. Its totient is φ = 941774568.

The previous prime is 2197930733. The next prime is 2197930771. The reversal of 2197930742 is 2470397912.

It is a junction number, because it is equal to n+sod(n) for n = 2197930693 and 2197930702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68759 + ... + 95517.

It is an arithmetic number, because the mean of its divisors is an integer number (235541520).

Almost surely, 2^2197930742 is an apocalyptic number.

2197930742 is a deficient number, since it is larger than the sum of its proper divisors (1570733578).

2197930742 is a wasteful number, since it uses less digits than its factorization.

2197930742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32635.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 2197930742 is about 46882.0940445283. The cubic root of 2197930742 is about 1300.1835523860.

The spelling of 2197930742 in words is "two billion, one hundred ninety-seven million, nine hundred thirty thousand, seven hundred forty-two".