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401221234 = 2474268311
BaseRepresentation
bin10111111010100…
…010011001110010
31000221222011001201
4113322202121302
51310203034414
6103451321414
712641216131
oct2772423162
91027864051
10401221234
1119652a4a7
12b245026a
136517b41b
143b401918
1525355574
hex17ea2672

401221234 has 8 divisors (see below), whose sum is σ = 614636928. Its totient is φ = 196342260.

The previous prime is 401221231. The next prime is 401221237. The reversal of 401221234 is 432122104.

It is an interprime number because it is at equal distance from previous prime (401221231) and next prime (401221237).

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

It is a super-2 number, since 2×4012212342 = 321956957224965512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401221231) 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, 2134062 + ... + 2134249.

It is an arithmetic number, because the mean of its divisors is an integer number (76829616).

Almost surely, 2401221234 is an apocalyptic number.

401221234 is a deficient number, since it is larger than the sum of its proper divisors (213415694).

401221234 is a wasteful number, since it uses less digits than its factorization.

401221234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4268360.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 401221234 is about 20030.5075821857. The cubic root of 401221234 is about 737.5553819944. Note that the first 3 decimals are identical.

Adding to 401221234 its reverse (432122104), we get a palindrome (833343338).

The spelling of 401221234 in words is "four hundred one million, two hundred twenty-one thousand, two hundred thirty-four".

Divisors: 1 2 47 94 4268311 8536622 200610617 401221234