1550223464 has 8 divisors (see below), whose sum is σ = 2906669010. Its totient is φ = 775111728.

The previous prime is 1550223457. The next prime is 1550223469. The reversal of 1550223464 is 4643220551.

It can be written as a sum of positive squares in only one way, i.e., 1548422500 + 1800964 = 39350^2 + 1342^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1550223464.

It is not an unprimeable number, because it can be changed into a prime (1550223469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96888959 + ... + 96888974.

Almost surely, 2^1550223464 is an apocalyptic number.

It is an amenable number.

1550223464 is a deficient number, since it is larger than the sum of its proper divisors (1356445546).

1550223464 is a wasteful number, since it uses less digits than its factorization.

1550223464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193777939 (or 193777935 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 1550223464 is about 39372.8772634157. The cubic root of 1550223464 is about 1157.3501404322.

The spelling of 1550223464 in words is "one billion, five hundred fifty million, two hundred twenty-three thousand, four hundred sixty-four".