Search a number
-
+
1222529996 = 221916085921
BaseRepresentation
bin100100011011110…
…0101001111001100
310011012101221212202
41020313211033030
510000431424441
6321151021032
742203222252
oct11067451714
93135357782
101222529996
115780a4976
122a150a778
1316638233c
14b85165d2
15724db19b
hex48de53cc

1222529996 has 12 divisors (see below), whose sum is σ = 2252029080. Its totient is φ = 579093120.

The previous prime is 1222529983. The next prime is 1222530007. The reversal of 1222529996 is 6999252221.

It is a super-2 number, since 2×12225299962 = 2989159182239520032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1222529996.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8042885 + ... + 8043036.

It is an arithmetic number, because the mean of its divisors is an integer number (187669090).

Almost surely, 21222529996 is an apocalyptic number.

It is an amenable number.

1222529996 is a deficient number, since it is larger than the sum of its proper divisors (1029499084).

1222529996 is a wasteful number, since it uses less digits than its factorization.

1222529996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16085944 (or 16085942 counting only the distinct ones).

The product of its digits is 349920, while the sum is 47.

The square root of 1222529996 is about 34964.6964236786. The cubic root of 1222529996 is about 1069.2678474628.

The spelling of 1222529996 in words is "one billion, two hundred twenty-two million, five hundred twenty-nine thousand, nine hundred ninety-six".

Divisors: 1 2 4 19 38 76 16085921 32171842 64343684 305632499 611264998 1222529996