Search a number
-
+
1222750634 = 2787339331
BaseRepresentation
bin100100011100001…
…1011000110101010
310011012211011112112
41020320123012222
510001011010014
6321155442322
742205131440
oct11070330652
93135734475
101222750634
11578235716
122a15b63a2
1316642b8b1
14b8572b90
157253173e
hex48e1b1aa

1222750634 has 8 divisors (see below), whose sum is σ = 2096143968. Its totient is φ = 524035980.

The previous prime is 1222750631. The next prime is 1222750649. The reversal of 1222750634 is 4360572221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12227506342 = 2990238225894803912, 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 1222750634.

It is not an unprimeable number, because it can be changed into a prime (1222750631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43669652 + ... + 43669679.

It is an arithmetic number, because the mean of its divisors is an integer number (262017996).

Almost surely, 21222750634 is an apocalyptic number.

1222750634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1222750634 is a deficient number, since it is larger than the sum of its proper divisors (873393334).

1222750634 is an equidigital number, since it uses as much as digits as its factorization.

1222750634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87339340.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 1222750634 is about 34967.8514352827. The cubic root of 1222750634 is about 1069.3321695187.

The spelling of 1222750634 in words is "one billion, two hundred twenty-two million, seven hundred fifty thousand, six hundred thirty-four".

Divisors: 1 2 7 14 87339331 174678662 611375317 1222750634