1948522 has 4 divisors (see below), whose sum is σ = 2922786. Its totient is φ = 974260.

The previous prime is 1948519. The next prime is 1948549. The reversal of 1948522 is 2258491.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1687401 + 261121 = 1299^2 + 511^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487129 + ... + 487132.

2^1948522 is an apocalyptic number.

1948522 is a deficient number, since it is larger than the sum of its proper divisors (974264).

1948522 is an equidigital number, since it uses as much as digits as its factorization.

1948522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974263.

The product of its digits is 5760, while the sum is 31.

The square root of 1948522 is about 1395.8946951687. The cubic root of 1948522 is about 124.9017254238.

Subtracting from 1948522 its sum of digits (31), we obtain a palindrome (1948491).

The spelling of 1948522 in words is "one million, nine hundred forty-eight thousand, five hundred twenty-two".