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22400420441 = 710131683763
BaseRepresentation
bin10100110111001010…
…110100101001011001
32010211010100021001112
4110313022310221121
5331334001423231
614142434430105
71422050301140
oct246712645131
963733307045
1022400420441
1195554a9473
124411a32335
13215caaca69
141127014757
158b187692b
hex5372b4a59

22400420441 has 8 divisors (see below), whose sum is σ = 25853951424. Its totient is φ = 19010257200.

The previous prime is 22400420431. The next prime is 22400420459. The reversal of 22400420441 is 14402400422.

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

It is a cyclic number.

It is not a de Polignac number, because 22400420441 - 222 = 22396226137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22400420431) 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, 15841175 + ... + 15842588.

It is an arithmetic number, because the mean of its divisors is an integer number (3231743928).

Almost surely, 222400420441 is an apocalyptic number.

It is an amenable number.

22400420441 is a deficient number, since it is larger than the sum of its proper divisors (3453530983).

22400420441 is a wasteful number, since it uses less digits than its factorization.

22400420441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31683871.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 22400420441 its reverse (14402400422), we get a palindrome (36802820863).

The spelling of 22400420441 in words is "twenty-two billion, four hundred million, four hundred twenty thousand, four hundred forty-one".

Divisors: 1 7 101 707 31683763 221786341 3200060063 22400420441