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122222230957 is a prime number
BaseRepresentation
bin111000111010100000…
…0110011110110101101
3102200110212200122021201
41301311000303312231
54000302342342312
6132051554325501
711554531551601
oct1616500636655
9380425618251
10122222230957
114791a299132
121b82bb89891
13b6aa700728
145cb652d501
1532a5114557
hex1c75033dad

122222230957 has 2 divisors, whose sum is σ = 122222230958. Its totient is φ = 122222230956.

The previous prime is 122222230883. The next prime is 122222230961. The reversal of 122222230957 is 759032222221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112646825641 + 9575405316 = 335629^2 + 97854^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122222230957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122222230657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61111115478 + 61111115479.

It is an arithmetic number, because the mean of its divisors is an integer number (61111115479).

Almost surely, 2122222230957 is an apocalyptic number.

It is an amenable number.

122222230957 is a deficient number, since it is larger than the sum of its proper divisors (1).

122222230957 is an equidigital number, since it uses as much as digits as its factorization.

122222230957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 122222230957 in words is "one hundred twenty-two billion, two hundred twenty-two million, two hundred thirty thousand, nine hundred fifty-seven".