1222021030 has 32 divisors (see below), whose sum is σ = 2331213696. Its totient is φ = 459623424.

The previous prime is 1222020953. The next prime is 1222021037. The reversal of 1222021030 is 301202221.

It is a self number, because there is not a number n which added to its sum of digits gives 1222021030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222021037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222882 + ... + 228298.

It is an arithmetic number, because the mean of its divisors is an integer number (72850428).

Almost surely, 2^1222021030 is an apocalyptic number.

1222021030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222021030 is a deficient number, since it is larger than the sum of its proper divisors (1109192666).

1222021030 is a wasteful number, since it uses less digits than its factorization.

1222021030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6768.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1222021030 is about 34957.4173817232. The cubic root of 1222021030 is about 1069.1194403284.

Adding to 1222021030 its reverse (301202221), we get a palindrome (1523223251).

The spelling of 1222021030 in words is "one billion, two hundred twenty-two million, twenty-one thousand, thirty".