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22402430989 is a prime number
BaseRepresentation
bin10100110111010010…
…011111100000001101
32010211021010102000021
4110313102133200031
5331340010242424
614142545502141
71422103343611
oct246722374015
963737112007
1022402430989
119556651a84
124412641951
132160334c33
1411273b9341
158b1b224e4
hex53749f80d

22402430989 has 2 divisors, whose sum is σ = 22402430990. Its totient is φ = 22402430988.

The previous prime is 22402430977. The next prime is 22402431013. The reversal of 22402430989 is 98903420422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22400210889 + 2220100 = 149667^2 + 1490^2 .

It is a cyclic number.

It is not a de Polignac number, because 22402430989 - 25 = 22402430957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22402430929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11201215494 + 11201215495.

It is an arithmetic number, because the mean of its divisors is an integer number (11201215495).

Almost surely, 222402430989 is an apocalyptic number.

It is an amenable number.

22402430989 is a deficient number, since it is larger than the sum of its proper divisors (1).

22402430989 is an equidigital number, since it uses as much as digits as its factorization.

22402430989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 22402430989 in words is "twenty-two billion, four hundred two million, four hundred thirty thousand, nine hundred eighty-nine".