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23222331949 is a prime number
BaseRepresentation
bin10101101000001010…
…001010101000101101
32012221101220200200111
4111220022022220231
5340024404110244
614400155100021
71451320364455
oct255012125055
965841820614
1023222331949
119937445783
124601141611
13226116512b
1411a4244d65
1590dacae34
hex56828aa2d

23222331949 has 2 divisors, whose sum is σ = 23222331950. Its totient is φ = 23222331948.

The previous prime is 23222331931. The next prime is 23222331997. The reversal of 23222331949 is 94913322232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20059056900 + 3163275049 = 141630^2 + 56243^2 .

It is a cyclic number.

It is not a de Polignac number, because 23222331949 - 211 = 23222329901 is a prime.

It is a super-2 number, since 2×232223319492 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23222331919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11611165974 + 11611165975.

It is an arithmetic number, because the mean of its divisors is an integer number (11611165975).

Almost surely, 223222331949 is an apocalyptic number.

It is an amenable number.

23222331949 is a deficient number, since it is larger than the sum of its proper divisors (1).

23222331949 is an equidigital number, since it uses as much as digits as its factorization.

23222331949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 40.

The spelling of 23222331949 in words is "twenty-three billion, two hundred twenty-two million, three hundred thirty-one thousand, nine hundred forty-nine".