1057820422 has 8 divisors (see below), whose sum is σ = 1590611400. Its totient is φ = 527616624.

The previous prime is 1057820419. The next prime is 1057820431. The reversal of 1057820422 is 2240287501.

It is a happy number.

1057820422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1057820422² = 2237968090400516168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645772 + ... + 647407.

It is an arithmetic number, because the mean of its divisors is an integer number (198826425).

Almost surely, 2^1057820422 is an apocalyptic number.

1057820422 is a deficient number, since it is larger than the sum of its proper divisors (532790978).

1057820422 is a wasteful number, since it uses less digits than its factorization.

1057820422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293590.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 1057820422 is about 32524.1513647935. The cubic root of 1057820422 is about 1018.9134983326.

The spelling of 1057820422 in words is "one billion, fifty-seven million, eight hundred twenty thousand, four hundred twenty-two".