1222447634 has 16 divisors (see below), whose sum is σ = 1862310048. Its totient is φ = 601709472.

The previous prime is 1222447621. The next prime is 1222447651. The reversal of 1222447634 is 4367442221.

It is a junction number, because it is equal to n+sod(n) for n = 1222447594 and 1222447603.

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, 72209 + ... + 87515.

It is an arithmetic number, because the mean of its divisors is an integer number (116394378).

Almost surely, 2^1222447634 is an apocalyptic number.

1222447634 is a deficient number, since it is larger than the sum of its proper divisors (639862414).

1222447634 is a wasteful number, since it uses less digits than its factorization.

1222447634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15929.

The product of its digits is 64512, while the sum is 35.

The square root of 1222447634 is about 34963.5186158373. The cubic root of 1222447634 is about 1069.2438346870.

Adding to 1222447634 its reverse (4367442221), we get a palindrome (5589889855).

The spelling of 1222447634 in words is "one billion, two hundred twenty-two million, four hundred forty-seven thousand, six hundred thirty-four".