1542202228 has 12 divisors (see below), whose sum is σ = 3084404512. Its totient is φ = 660943800.

The previous prime is 1542202219. The next prime is 1542202247. The reversal of 1542202228 is 8222022451.

1542202228 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 55078651 = 1542202228 / (1 + 5 + 4 + 2 + 2 + 0 + 2 + 2 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 1542202196 and 1542202205.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 27539298 + ... + 27539353.

Almost surely, 2^1542202228 is an apocalyptic number.

It is an amenable number.

1542202228 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1542202228 is a wasteful number, since it uses less digits than its factorization.

1542202228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55078662 (or 55078660 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 1542202228 is about 39270.8826995269. The cubic root of 1542202228 is about 1155.3505499421.

Adding to 1542202228 its reverse (8222022451), we get a palindrome (9764224679).

The spelling of 1542202228 in words is "one billion, five hundred forty-two million, two hundred two thousand, two hundred twenty-eight".