1229356674 has 96 divisors (see below), whose sum is σ = 3287391744. Its totient is φ = 323326080.

The previous prime is 1229356663. The next prime is 1229356679. The reversal of 1229356674 is 4766539221.

1229356674 is a `hidden beast` number, since 1 + 229 + 356 + 6 + 74 = 666.

It is a super-2 number, since 2×1229356674² = 3022635663816684552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1229356679) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 757584 + ... + 759204.

It is an arithmetic number, because the mean of its divisors is an integer number (34243664).

Almost surely, 2^1229356674 is an apocalyptic number.

1229356674 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1229356674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1643695872).

1229356674 is an abundant number, since it is smaller than the sum of its proper divisors (2058035070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1229356674 is a wasteful number, since it uses less digits than its factorization.

1229356674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112 (or 2109 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 1229356674 is about 35062.1829611335. The cubic root of 1229356674 is about 1071.2544387332.

The spelling of 1229356674 in words is "one billion, two hundred twenty-nine million, three hundred fifty-six thousand, six hundred seventy-four".