1553202242 has 8 divisors (see below), whose sum is σ = 2410141500. Its totient is φ = 749821744.

The previous prime is 1553202223. The next prime is 1553202247. The reversal of 1553202242 is 2422023551.

It can be written as a sum of positive squares in 2 ways, for example, as 1428008521 + 125193721 = 37789^2 + 11189^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1553202247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13389617 + ... + 13389732.

Almost surely, 2^1553202242 is an apocalyptic number.

1553202242 is a deficient number, since it is larger than the sum of its proper divisors (856939258).

1553202242 is a wasteful number, since it uses less digits than its factorization.

1553202242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26779380.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1553202242 is about 39410.6869008902. The cubic root of 1553202242 is about 1158.0909547807.

Adding to 1553202242 its reverse (2422023551), we get a palindrome (3975225793).

The spelling of 1553202242 in words is "one billion, five hundred fifty-three million, two hundred two thousand, two hundred forty-two".