1222378030 has 48 divisors (see below), whose sum is σ = 2353231440. Its totient is φ = 455586560.

The previous prime is 1222378007. The next prime is 1222378039. The reversal of 1222378030 is 308732221.

It is a self number, because there is not a number n which added to its sum of digits gives 1222378030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222378039) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2917161 + ... + 2917579.

It is an arithmetic number, because the mean of its divisors is an integer number (49025655).

Almost surely, 2^1222378030 is an apocalyptic number.

1222378030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222378030 is a deficient number, since it is larger than the sum of its proper divisors (1130853410).

1222378030 is a wasteful number, since it uses less digits than its factorization.

1222378030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705 (or 574 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 1222378030 is about 34962.5232213008. The cubic root of 1222378030 is about 1069.2235406860.

The spelling of 1222378030 in words is "one billion, two hundred twenty-two million, three hundred seventy-eight thousand, thirty".