242203077 has 12 divisors (see below), whose sum is σ = 350135500. Its totient is φ = 161336448.

The previous prime is 242203037. The next prime is 242203103. The reversal of 242203077 is 770302242.

It can be written as a sum of positive squares in 2 ways, for example, as 134583201 + 107619876 = 11601^2 + 10374^2 .

It is a de Polignac number, because none of the positive numbers 2^k-242203077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242203077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242203007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1299 + ... + 22047.

Almost surely, 2^242203077 is an apocalyptic number.

It is an amenable number.

242203077 is a deficient number, since it is larger than the sum of its proper divisors (107932423).

242203077 is a wasteful number, since it uses less digits than its factorization.

242203077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22052 (or 22049 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 242203077 is about 15562.8749593383. The cubic root of 242203077 is about 623.3422324853.

The spelling of 242203077 in words is "two hundred forty-two million, two hundred three thousand, seventy-seven".