1248220022 has 48 divisors (see below), whose sum is σ = 2263459968. Its totient is φ = 514200960.

The previous prime is 1248220009. The next prime is 1248220073. The reversal of 1248220022 is 2200228421.

It is a self number, because there is not a number n which added to its sum of digits gives 1248220022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 475658 + ... + 478274.

It is an arithmetic number, because the mean of its divisors is an integer number (47155416).

Almost surely, 2^1248220022 is an apocalyptic number.

1248220022 is a deficient number, since it is larger than the sum of its proper divisors (1015239946).

1248220022 is a wasteful number, since it uses less digits than its factorization.

1248220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2821 (or 2814 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 1248220022 is about 35330.1574012910. The cubic root of 1248220022 is about 1076.7057892768.

Adding to 1248220022 its reverse (2200228421), we get a palindrome (3448448443).

The spelling of 1248220022 in words is "one billion, two hundred forty-eight million, two hundred twenty thousand, twenty-two".