1223745562 has 24 divisors (see below), whose sum is σ = 1997218080. Its totient is φ = 562096080.

The previous prime is 1223745541. The next prime is 1223745571. The reversal of 1223745562 is 2655473221.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62739 + ... + 79897.

It is an arithmetic number, because the mean of its divisors is an integer number (83217420).

Almost surely, 2^1223745562 is an apocalyptic number.

1223745562 is a deficient number, since it is larger than the sum of its proper divisors (773472518).

1223745562 is a wasteful number, since it uses less digits than its factorization.

1223745562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17398 (or 17385 counting only the distinct ones).

The product of its digits is 100800, while the sum is 37.

The square root of 1223745562 is about 34982.0748669944. The cubic root of 1223745562 is about 1069.6221223668.

The spelling of 1223745562 in words is "one billion, two hundred twenty-three million, seven hundred forty-five thousand, five hundred sixty-two".