1552229131 has 2 divisors, whose sum is σ = 1552229132. Its totient is φ = 1552229130.

The previous prime is 1552229123. The next prime is 1552229197. The reversal of 1552229131 is 1319222551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1552229131 - 2³ = 1552229123 is a prime.

It is a super-2 number, since 2×1552229131² = 4818830550250030322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1552229093 and 1552229102.

It is not a weakly prime, because it can be changed into another prime (1552229101) 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, 776114565 + 776114566.

It is an arithmetic number, because the mean of its divisors is an integer number (776114566).

Almost surely, 2^1552229131 is an apocalyptic number.

1552229131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1552229131 is an equidigital number, since it uses as much as digits as its factorization.

1552229131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 31.

The square root of 1552229131 is about 39398.3391908847. The cubic root of 1552229131 is about 1157.8490488544.

The spelling of 1552229131 in words is "one billion, five hundred fifty-two million, two hundred twenty-nine thousand, one hundred thirty-one".