1550220614 has 4 divisors (see below), whose sum is σ = 2325330924. Its totient is φ = 775110306.

The previous prime is 1550220613. The next prime is 1550220629. The reversal of 1550220614 is 4160220551.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1550220611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387555152 + ... + 387555155.

It is an arithmetic number, because the mean of its divisors is an integer number (581332731).

Almost surely, 2^1550220614 is an apocalyptic number.

1550220614 is a deficient number, since it is larger than the sum of its proper divisors (775110310).

1550220614 is an equidigital number, since it uses as much as digits as its factorization.

1550220614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775110309.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1550220614 is about 39372.8410709718. The cubic root of 1550220614 is about 1157.3494311904.

The spelling of 1550220614 in words is "one billion, five hundred fifty million, two hundred twenty thousand, six hundred fourteen".