242222738 has 4 divisors (see below), whose sum is σ = 363334110. Its totient is φ = 121111368.

The previous prime is 242222723. The next prime is 242222753. The reversal of 242222738 is 837222242.

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

It is an interprime number because it is at equal distance from previous prime (242222723) and next prime (242222753).

It can be written as a sum of positive squares in only one way, i.e., 238486249 + 3736489 = 15443^2 + 1933^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60555683 + ... + 60555686.

Almost surely, 2^242222738 is an apocalyptic number.

242222738 is a deficient number, since it is larger than the sum of its proper divisors (121111372).

242222738 is a wasteful number, since it uses less digits than its factorization.

242222738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121111371.

The product of its digits is 21504, while the sum is 32.

The square root of 242222738 is about 15563.5066100156. The cubic root of 242222738 is about 623.3590987726.

The spelling of 242222738 in words is "two hundred forty-two million, two hundred twenty-two thousand, seven hundred thirty-eight".