1722056042 has 32 divisors (see below), whose sum is σ = 2987712000. Its totient is φ = 729163008.

The previous prime is 1722055981. The next prime is 1722056053. The reversal of 1722056042 is 2406502271.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1722055996 and 1722056014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 550559 + ... + 553677.

It is an arithmetic number, because the mean of its divisors is an integer number (93366000).

Almost surely, 2^1722056042 is an apocalyptic number.

1722056042 is a deficient number, since it is larger than the sum of its proper divisors (1265655958).

1722056042 is a wasteful number, since it uses less digits than its factorization.

1722056042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3590.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 1722056042 is about 41497.6630908296. The cubic root of 1722056042 is about 1198.6225031534.

The spelling of 1722056042 in words is "one billion, seven hundred twenty-two million, fifty-six thousand, forty-two".