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1022400205225 = 5278237098769
BaseRepresentation
bin11101110000010111100…
…11010001000110101001
310121201222211100202022121
432320023303101012221
5113222333423031400
62101403440351241
7133603013232550
oct16701363210651
93551884322277
101022400205225
113646632976a3
12146193915521
1375548001649
14376ad402d97
151b8dd09921a
hexee0bcd11a9

1022400205225 has 24 divisors (see below), whose sum is σ = 1450647847040. Its totient is φ = 700222475520.

The previous prime is 1022400205219. The next prime is 1022400205249. The reversal of 1022400205225 is 5225020042201.

Adding to 1022400205225 its reverse (5225020042201), we get a palindrome (6247420247426).

1022400205225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1022400205225 - 27 = 1022400205097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 1022400205225.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3405360 + ... + 3693409.

Almost surely, 21022400205225 is an apocalyptic number.

It is an amenable number.

1022400205225 is a deficient number, since it is larger than the sum of its proper divisors (428247641815).

1022400205225 is an equidigital number, since it uses as much as digits as its factorization.

1022400205225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7099609 (or 7099604 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The spelling of 1022400205225 in words is "one trillion, twenty-two billion, four hundred million, two hundred five thousand, two hundred twenty-five".

Divisors: 1 5 7 25 35 175 823 4115 5761 20575 28805 144025 7098769 35493845 49691383 177469225 248456915 1242284575 5842286887 29211434435 40896008209 146057172175 204480041045 1022400205225