1550422044 has 36 divisors (see below), whose sum is σ = 3923263344. Its totient is φ = 516261312.

The previous prime is 1550421979. The next prime is 1550422087. The reversal of 1550422044 is 4402240551.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1550422044² = 4807617029042275872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1550421999 and 1550422017.

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 12544 + ... + 57080.

Almost surely, 2^1550422044 is an apocalyptic number.

It is an amenable number.

1550422044 is an abundant number, since it is smaller than the sum of its proper divisors (2372841300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1550422044 is a wasteful number, since it uses less digits than its factorization.

1550422044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45514 (or 45509 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 1550422044 is about 39375.3989694073. The cubic root of 1550422044 is about 1157.3995562710.

Adding to 1550422044 its reverse (4402240551), we get a palindrome (5952662595).

The spelling of 1550422044 in words is "one billion, five hundred fifty million, four hundred twenty-two thousand, forty-four".