107220278 has 12 divisors (see below), whose sum is σ = 176780940. Its totient is φ = 48736380.

The previous prime is 107220277. The next prime is 107220317. The reversal of 107220278 is 872022701.

It is a super-2 number, since 2×107220278² = 22992376028794568, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 107220278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107220271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 221288 + ... + 221771.

It is an arithmetic number, because the mean of its divisors is an integer number (14731745).

Almost surely, 2^107220278 is an apocalyptic number.

107220278 is a deficient number, since it is larger than the sum of its proper divisors (69560662).

107220278 is a wasteful number, since it uses less digits than its factorization.

107220278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443083 (or 443072 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 107220278 is about 10354.7224974888. The cubic root of 107220278 is about 475.0714987478.

Adding to 107220278 its reverse (872022701), we get a palindrome (979242979).

The spelling of 107220278 in words is "one hundred seven million, two hundred twenty thousand, two hundred seventy-eight".