366620226 has 16 divisors (see below), whose sum is σ = 837989184. Its totient is φ = 104748624.

The previous prime is 366620201. The next prime is 366620231. The reversal of 366620226 is 622026663.

It is a super-2 number, since 2×366620226² = 268820780224582152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4364485 + ... + 4364568.

It is an arithmetic number, because the mean of its divisors is an integer number (52374324).

Almost surely, 2^366620226 is an apocalyptic number.

366620226 is an abundant number, since it is smaller than the sum of its proper divisors (471368958).

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

366620226 is a wasteful number, since it uses less digits than its factorization.

366620226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8729065.

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 366620226 is about 19147.3294743680. The cubic root of 366620226 is about 715.7128372595.

Adding to 366620226 its reverse (622026663), we get a palindrome (988646889).

The spelling of 366620226 in words is "three hundred sixty-six million, six hundred twenty thousand, two hundred twenty-six".