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23222251424 = 25725695357
BaseRepresentation
bin10101101000001001…
…110110111110100000
32012221101202121020002
4111220021312332200
5340024344021144
614400153235132
71451316610631
oct255011667640
965841677202
1023222251424
1199373a0229
124601102aa8
132261137598
1411a4223888
1590dab214e
hex568276fa0

23222251424 has 12 divisors (see below), whose sum is σ = 45718807554. Its totient is φ = 11611125696.

The previous prime is 23222251417. The next prime is 23222251427. The reversal of 23222251424 is 42415222232.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 17961360400 + 5260891024 = 134020^2 + 72532^2 .

It is a super-2 number, since 2×232222514242 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23222251427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362847647 + ... + 362847710.

Almost surely, 223222251424 is an apocalyptic number.

It is an amenable number.

23222251424 is a deficient number, since it is larger than the sum of its proper divisors (22496556130).

23222251424 is an equidigital number, since it uses as much as digits as its factorization.

23222251424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725695367 (or 725695359 counting only the distinct ones).

The product of its digits is 15360, while the sum is 29.

Adding to 23222251424 its reverse (42415222232), we get a palindrome (65637473656).

The spelling of 23222251424 in words is "twenty-three billion, two hundred twenty-two million, two hundred fifty-one thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 32 725695357 1451390714 2902781428 5805562856 11611125712 23222251424