42019221031722 has 96 divisors (see below), whose sum is σ = 105504563736000. Its totient is φ = 11952265029120.

The previous prime is 42019221031717. The next prime is 42019221031727. The reversal of 42019221031722 is 22713012291024.

42019221031722 is a `hidden beast` number, since 4 + 20 + 1 + 92 + 210 + 317 + 22 = 666.

It is an interprime number because it is at equal distance from previous prime (42019221031717) and next prime (42019221031727).

It is a super-2 number, since 2×42019221031722² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42019221031727) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50825647 + ... + 51645762.

It is an arithmetic number, because the mean of its divisors is an integer number (1099005872250).

Almost surely, 2^{42019221031722} is an apocalyptic number.

42019221031722 is an abundant number, since it is smaller than the sum of its proper divisors (63485342704278).

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

42019221031722 is a wasteful number, since it uses less digits than its factorization.

42019221031722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102471556 (or 102471553 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 42019221031722 in words is "forty-two trillion, nineteen billion, two hundred twenty-one million, thirty-one thousand, seven hundred twenty-two".