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1225404214 = 22692277703
BaseRepresentation
bin100100100001010…
…0010111100110110
310011101210222120021
41021002202330312
510002200413324
6321332355354
742236523016
oct11102427466
93141728507
101225404214
11579788361
122a2475b5a
13166b4a668
14b8a63c46
15728a7ae4
hex490a2f36

1225404214 has 8 divisors (see below), whose sum is σ = 1844940240. Its totient is φ = 610424136.

The previous prime is 1225404211. The next prime is 1225404227. The reversal of 1225404214 is 4124045221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225404211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1138314 + ... + 1139389.

It is an arithmetic number, because the mean of its divisors is an integer number (230617530).

Almost surely, 21225404214 is an apocalyptic number.

1225404214 is a deficient number, since it is larger than the sum of its proper divisors (619536026).

1225404214 is a wasteful number, since it uses less digits than its factorization.

1225404214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277974.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 1225404214 is about 35005.7740094402. The cubic root of 1225404214 is about 1070.1051557643.

Adding to 1225404214 its reverse (4124045221), we get a palindrome (5349449435).

The spelling of 1225404214 in words is "one billion, two hundred twenty-five million, four hundred four thousand, two hundred fourteen".

Divisors: 1 2 269 538 2277703 4555406 612702107 1225404214