242221030 has 32 divisors (see below), whose sum is σ = 447830208. Its totient is φ = 94272000.

The previous prime is 242220991. The next prime is 242221051. The reversal of 242221030 is 30122242.

It is a junction number, because it is equal to n+sod(n) for n = 242220995 and 242221013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245919 + ... + 246901.

It is an arithmetic number, because the mean of its divisors is an integer number (13994694).

Almost surely, 2^242221030 is an apocalyptic number.

242221030 is a deficient number, since it is larger than the sum of its proper divisors (205609178).

242221030 is a wasteful number, since it uses less digits than its factorization.

242221030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 242221030 is about 15563.4517379661. The cubic root of 242221030 is about 623.3576335925.

Adding to 242221030 its reverse (30122242), we get a palindrome (272343272).

It can be divided in two parts, 24222 and 1030, that added together give a palindrome (25252).

The spelling of 242221030 in words is "two hundred forty-two million, two hundred twenty-one thousand, thirty".