242212766 has 4 divisors (see below), whose sum is σ = 363319152. Its totient is φ = 121106382.

The previous prime is 242212739. The next prime is 242212769. The reversal of 242212766 is 667212242.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242212769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60553190 + ... + 60553193.

It is an arithmetic number, because the mean of its divisors is an integer number (90829788).

Almost surely, 2^242212766 is an apocalyptic number.

242212766 is a deficient number, since it is larger than the sum of its proper divisors (121106386).

242212766 is a wasteful number, since it uses less digits than its factorization.

242212766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121106385.

The product of its digits is 16128, while the sum is 32.

The square root of 242212766 is about 15563.1862418979. The cubic root of 242212766 is about 623.3505443565.

The spelling of 242212766 in words is "two hundred forty-two million, two hundred twelve thousand, seven hundred sixty-six".