1538952922 has 8 divisors (see below), whose sum is σ = 2486000916. Its totient is φ = 710285952.

The previous prime is 1538952911. The next prime is 1538952923. The reversal of 1538952922 is 2292598351.

It can be written as a sum of positive squares in 2 ways, for example, as 1422722961 + 116229961 = 37719^2 + 10781^2 .

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

It is a super-2 number, since 2×1538952922² = 4736752192264676168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1538952923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29595223 + ... + 29595274.

Almost surely, 2^1538952922 is an apocalyptic number.

1538952922 is a deficient number, since it is larger than the sum of its proper divisors (947047994).

1538952922 is a wasteful number, since it uses less digits than its factorization.

1538952922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59190512.

The product of its digits is 388800, while the sum is 46.

The square root of 1538952922 is about 39229.4904631707. The cubic root of 1538952922 is about 1154.5385667005.

The spelling of 1538952922 in words is "one billion, five hundred thirty-eight million, nine hundred fifty-two thousand, nine hundred twenty-two".