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2022230231 = 72235232477
BaseRepresentation
bin111100010001000…
…1100100011010111
312012221011221100222
41320202030203113
513120142331411
6532355224555
7101053446650
oct17042144327
95187157328
102022230231
1194855055a
124852a815b
13262c5b948
14152804527
15bc8044db
hex7888c8d7

2022230231 has 16 divisors (see below), whose sum is σ = 2326861824. Its totient is φ = 1721572704.

The previous prime is 2022230207. The next prime is 2022230237. The reversal of 2022230231 is 1320322202.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2022230231 is a prime.

It is a super-2 number, since 2×20222302312 = 8178830214340626722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022230237) 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, 815165 + ... + 817641.

It is an arithmetic number, because the mean of its divisors is an integer number (145428864).

Almost surely, 22022230231 is an apocalyptic number.

2022230231 is a deficient number, since it is larger than the sum of its proper divisors (304631593).

2022230231 is a wasteful number, since it uses less digits than its factorization.

2022230231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3230.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2022230231 is about 44969.2142582011. The cubic root of 2022230231 is about 1264.5719165793.

Adding to 2022230231 its reverse (1320322202), we get a palindrome (3342552433).

The spelling of 2022230231 in words is "two billion, twenty-two million, two hundred thirty thousand, two hundred thirty-one".

Divisors: 1 7 223 523 1561 2477 3661 17339 116629 552371 816403 1295471 3866597 9068297 288890033 2022230231