242216464 has 20 divisors (see below), whose sum is σ = 536336704. Its totient is φ = 103807008.

The previous prime is 242216461. The next prime is 242216489. The reversal of 242216464 is 464612242.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (242216461) 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, 1081212 + ... + 1081435.

Almost surely, 2^242216464 is an apocalyptic number.

It is an amenable number.

242216464 is an abundant number, since it is smaller than the sum of its proper divisors (294120240).

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

242216464 is a wasteful number, since it uses less digits than its factorization.

242216464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162662 (or 2162656 counting only the distinct ones).

The product of its digits is 18432, while the sum is 31.

The square root of 242216464 is about 15563.3050474506. The cubic root of 242216464 is about 623.3537166895.

The spelling of 242216464 in words is "two hundred forty-two million, two hundred sixteen thousand, four hundred sixty-four".