247420214 has 16 divisors (see below), whose sum is σ = 379889952. Its totient is φ = 120823488.

The previous prime is 247420211. The next prime is 247420241. The reversal of 247420214 is 412024742.

It is a super-2 number, since 2×247420214² = 122433524591611592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247420211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6812 + ... + 23264.

It is an arithmetic number, because the mean of its divisors is an integer number (23743122).

Almost surely, 2^247420214 is an apocalyptic number.

247420214 is a deficient number, since it is larger than the sum of its proper divisors (132469738).

247420214 is a wasteful number, since it uses less digits than its factorization.

247420214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16631.

The product of its (nonzero) digits is 3584, while the sum is 26.

The square root of 247420214 is about 15729.5967526189. The cubic root of 247420214 is about 627.7861440003.

Adding to 247420214 its reverse (412024742), we get a palindrome (659444956).

The spelling of 247420214 in words is "two hundred forty-seven million, four hundred twenty thousand, two hundred fourteen".