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22201003240 = 2351342694237
BaseRepresentation
bin10100101011010010…
…000110110011101000
32010022020002211002021
4110223102012303220
5330431424100430
614110552314224
71414106261653
oct245322066350
963266084067
1022201003240
119462984369
1243770a2974
13212a69ab10
14110874489a
1589e0d507a
hex52b486ce8

22201003240 has 32 divisors (see below), whose sum is σ = 53794739880. Its totient is φ = 8197293312.

The previous prime is 22201003199. The next prime is 22201003241. The reversal of 22201003240 is 4230010222.

It can be written as a sum of positive squares in 4 ways, for example, as 8723186404 + 13477816836 = 93398^2 + 116094^2 .

It is not an unprimeable number, because it can be changed into a prime (22201003241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21346599 + ... + 21347638.

Almost surely, 222201003240 is an apocalyptic number.

22201003240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22201003240 is an abundant number, since it is smaller than the sum of its proper divisors (31593736640).

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

22201003240 is a wasteful number, since it uses less digits than its factorization.

22201003240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42694261 (or 42694257 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 22201003240 its reverse (4230010222), we get a palindrome (26431013462).

The spelling of 22201003240 in words is "twenty-two billion, two hundred one million, three thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 42694237 85388474 170776948 213471185 341553896 426942370 555025081 853884740 1110050162 1707769480 2220100324 2775125405 4440200648 5550250810 11100501620 22201003240