1552422144 has 288 divisors, whose sum is σ = 5160037120. Its totient is φ = 403439616.

The previous prime is 1552422143. The next prime is 1552422169. The reversal of 1552422144 is 4412242551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552422143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6779022 + ... + 6779250.

Almost surely, 2^1552422144 is an apocalyptic number.

1552422144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1552422144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2580018560).

1552422144 is an abundant number, since it is smaller than the sum of its proper divisors (3607614976).

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

1552422144 is a wasteful number, since it uses less digits than its factorization.

1552422144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365 (or 351 counting only the distinct ones).

The product of its digits is 12800, while the sum is 30.

The square root of 1552422144 is about 39400.7886215492. The cubic root of 1552422144 is about 1157.8970380444.

Adding to 1552422144 its reverse (4412242551), we get a palindrome (5964664695).

The spelling of 1552422144 in words is "one billion, five hundred fifty-two million, four hundred twenty-two thousand, one hundred forty-four".