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2202011221002 = 237345491105171
BaseRepresentation
bin100000000010110010000…
…110001011110000001010
321210111202221121011000020
4200002302012023300022
5242034204333033002
64403331234321310
7315042614360115
oct40026206136012
97714687534006
102202011221002
1177995aa230aa
122b6921129236
1312c858459138
1478813b0b57c
153c42ccce2bc
hex200b218bc0a

2202011221002 has 32 divisors (see below), whose sum is σ = 4465336948800. Its totient is φ = 723789095040.

The previous prime is 2202011221001. The next prime is 2202011221019. The reversal of 2202011221002 is 2001221102022.

It is not an unprimeable number, because it can be changed into a prime (2202011221001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1439877 + ... + 2545047.

It is an arithmetic number, because the mean of its divisors is an integer number (139541779650).

Almost surely, 22202011221002 is an apocalyptic number.

2202011221002 is an abundant number, since it is smaller than the sum of its proper divisors (2263325727798).

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

2202011221002 is a wasteful number, since it uses less digits than its factorization.

2202011221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109798.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2202011221002 its reverse (2001221102022), we get a palindrome (4203232323024).

The spelling of 2202011221002 in words is "two trillion, two hundred two billion, eleven million, two hundred twenty-one thousand, two".

Divisors: 1 2 3 6 73 146 219 438 4549 9098 13647 27294 332077 664154 996231 1105171 1992462 2210342 3315513 6631026 80677483 161354966 242032449 484064898 5027422879 10054845758 15082268637 30164537274 367001870167 734003740334 1101005610501 2202011221002